CN211118804U

CN211118804U - Strip lamp soft board and strip lamp

Info

Publication number: CN211118804U
Application number: CN201922496077.3U
Authority: CN
Inventors: 谭刚
Original assignee: Jiangmen Lensen Electronic Technology Co ltd
Current assignee: Jiangmen Lensen Electronic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-28
Anticipated expiration: 2029-12-31

Abstract

The application discloses bar lamp soft board and bar lamp, the bar lamp soft board includes the basic unit, first circuit layer, first solder mask, L ED wafer pad and resistance pad, the bar lamp is by the bar lamp soft board, L ED crystal, resistance and leaded light silica gel are constituteed, through directly welding L ED crystal on the bar lamp soft board, can increase the compliance of bar lamp and reduce the size of bar lamp, in order to adapt to different application scenario, be provided with anodal copper leakage window and negative pole copper leakage window on the first solder mask of bar lamp soft board, be used for connecting drive power supply, can be convenient for tailor or splice the bar lamp, the light direct irradiation that L ED crystal sent is on leaded light silica gel, can make the luminance of bar lamp even pleasing to the eye.

Description

Strip lamp soft board and strip lamp

Technical Field

The application relates to the technical field of lamps, in particular to a strip-shaped lamp soft board and a strip-shaped lamp.

Background

The bar lamp is applied to automobile decoration, illumination sign, advertising signboard, gradevin, jewelry cabinet, decorative lighting such as entertainment place the current bar lamp forms through welding L ED lamp on the bar base plate, can form the dark portion between two adjacent L ED lamps, it is pleasing to the eye to influence the support material of L ED lamp is harder, make the bar lamp be difficult for folding, be difficult to adjust according to actual application scene when the installation.

SUMMERY OF THE UTILITY MODEL

This application aims at solving one of the technical problem that exists among the prior art at least, for this reason, this application provides a bar lamp soft board and bar lamp, realizes that luminance is even, and shape and length are easily adjusted in order to adapt to different use occasions.

In order to achieve the purpose, the following technical scheme is adopted in the application:

according to the soft board of bar lamp of this application first aspect embodiment, include:

the base layer is a strip-shaped flexible board made of insulating materials;

the first circuit layer is positioned on one surface of the base layer and provided with a first positive lead and a first negative lead, and the first positive lead and the first negative lead extend along the length direction of the base layer;

l ED wafer bonding pad arranged on the first circuit layer for soldering L ED wafer;

the resistor pad is arranged on the first circuit layer and used for welding a resistor, and the L ED wafer welded on the L ED wafer pad and the resistor welded on the resistor pad are connected between the first positive lead and the first negative lead in series;

the first solder mask layer covers the first circuit layer, a wafer copper leakage window is arranged on the L ED wafer bonding pad, a resistor copper leakage window is arranged on the resistor bonding pad, an anode copper leakage window is arranged on the first anode lead, and a cathode copper leakage window is arranged on the first cathode lead.

The flexible strip lamp board according to the embodiment of the first aspect of the application has at least the following technical effects that the flexible strip lamp board can be used as a support of an L ED wafer, a L ED wafer can be directly welded on the flexible strip lamp board, so that a strip lamp formed by the flexible strip lamp board is flexible and can be easily molded into various shapes, a L ED wafer is directly welded on the flexible strip lamp board, the surface of the L ED wafer protrudes out of the flexible strip lamp board, the light-emitting angle of the L ED wafer can be increased, in addition, the first solder mask layer can prevent the first circuit layer from being oxidized and avoid short circuit when the L ED wafer and a welding resistor are welded, and the positive electrode copper leakage window and the negative electrode copper leakage window can be conveniently connected with power supply wires.

Further, the bar lamp soft board still includes second circuit layer, second circuit layer is located the another side of basic unit, second circuit layer is provided with anodal wire of second and second negative pole wire, anodal wire of second through a plurality of first electrically conductive through-holes with anodal wire electricity is connected, second negative pole wire through a plurality of electrically conductive through-holes of second with first negative pole wire electricity is connected.

Further, the strip lamp soft board further comprises a second solder mask layer covering the second circuit layer.

Further, the L ED wafer bonding pads and the resistance pads are evenly distributed along the length direction of the base layer.

Furthermore, the positive electrode copper leakage windows and the negative electrode copper leakage windows are uniformly distributed along the length direction of the base layer.

According to bar lamp of this application second aspect embodiment, including L ED wafer, resistance, light guide silica gel and the bar lamp soft board of the first aspect embodiment of the aforesaid, L ED wafer welding is in on the L ED wafer pad, resistance welding is in on the resistance pad, light guide silica gel covers on the L ED wafer.

According to the strip lamp of the embodiment of the second aspect of the application, at least the following technical effects are achieved, because the L ED wafer is directly welded on the strip lamp soft board, a L ED support can be omitted, the strip lamp is easy to bend, the size of the strip lamp can be reduced, the L ED wafer is covered with the light guide silica gel, the strip lamp can play a role in fixing and uniformly transmitting light, in addition, the L ED wafer is not surrounded by obstacles such as the support, the irradiation range of the L ED wafer can be increased, and the brightness of the strip lamp is more uniform.

Further, the light guide silica gel is of a semi-cylindrical solid strip-shaped structure and extends along the length direction of the base layer.

Further, the strip lamp further comprises an insulating adhesive tape, and the insulating adhesive tape is adhered to the positive electrode copper leakage window and the negative electrode copper leakage window.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic front view of a strip lamp flexible board provided by an embodiment of the present application;

FIG. 2 is a schematic sectional view of a strip lamp flexible board provided by an embodiment of the present application;

FIG. 3 is a schematic view of a bar light provided by one embodiment of the present application;

fig. 4 is a schematic cross-sectional view of a strip light provided by an embodiment of the present application.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, unless otherwise expressly limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and the specific meaning of the terms in the application can be reasonably determined by one skilled in the art in view of the detailed disclosure. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

The flexible strip lamp board according to the first aspect of the present application will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present application provides a bar-shaped flexible light board, which is composed of a base layer 100, a first circuit layer 200, a L ED chip pad 300, a resistor pad 400 and a first solder mask 500, wherein the base layer 100 is made of a flexible and well-insulated polyimide material and has a strip-shaped structure, the first circuit layer 200 is disposed on a first surface of the base layer 100, the first circuit layer 200 is composed of a first positive lead 210 and a first negative lead 220, the first positive lead 210 and the first negative lead 220 extend along a length direction of the base layer 100, the resistor pad 300 and the resistor pad 400 are disposed on the first circuit layer 200 and between the first positive lead 210 and the first negative lead 220, the resistor pad 400 is a two-pin pad, one pad of the resistor pad 400 is connected to the first positive lead 210, another pad of the resistor pad 400 is connected to an anode pad of the chip pad 300, a cathode pad of the chip 300 of the chip 7 is connected to the first negative lead 220, another pad of the resistor pad 400 is connected to the first positive lead 35500, the copper pad is connected to the first chip pad 300, the first lead 35500, the copper pad 120 is disposed on the first circuit layer 500, the first lead 500 is disposed on the drain chip pad, the drain pad 500, the drain pad is disposed on the first copper pad, the drain pad 500, the drain pad is disposed on the drain pad, the first copper pad 500, the drain pad is disposed on the drain pad, the drain pad 500, the drain pad 500, the drain pad is disposed on the first copper pad, the drain pad is disposed on the drain pad, the drain pad.

As shown in fig. 2, another embodiment of the present application provides a strip-shaped flexible printed circuit board, wherein a second circuit layer 600 is disposed on a second surface of the substrate 100, and a second positive conductive wire 610 and a second negative conductive wire 620 are disposed on the second circuit layer 600. Correspondingly, the second positive electrode lead 610 is located on the back surface of the first positive electrode lead 210, a plurality of first conductive through holes 110 with copper-plated side walls are arranged on the base layer 100 between the first positive electrode lead 210 and the second positive electrode lead 610, and the first positive electrode lead 210 and the second positive electrode lead 610 are electrically connected through the first conductive through holes 110; the second negative electrode lead 620 is located on the back of the first negative electrode lead 220, a plurality of second conductive through holes 120 with copper plated on the side wall are arranged on the base layer 100 between the first negative electrode lead 220 and the second negative electrode lead 620, and the first negative electrode lead 220 and the second negative electrode lead 620 are electrically connected through the second conductive through holes 120. The second wiring layer 600 can increase the cross-sectional area of the first positive electrode wire 210 and the first negative electrode wire 220, thereby reducing the heat generated when current passes through the wires and reducing the voltage drop of the wires to the power supply.

As shown in fig. 2, another embodiment of the present application provides a strip-shaped flexible printed circuit board, wherein a second solder resist layer 700 is further covered on the surface of the second circuit layer 600, and the second solder resist layer 700 protects the second circuit layer 600, so that the second positive electrode lead 610 and the second negative electrode lead 620 on the second circuit layer 600 can be prevented from being oxidized and corroded by air.

As shown in fig. 1, another embodiment of the present application provides a flexible strip lamp board, L ED chip pads 300 and resistor pads 400 are uniformly distributed along the length direction of a substrate 100. driving a plurality of L ED chips on a flexible strip lamp board can enhance the brightness of the strip lamp, at the same time, L ED chips are uniformly distributed on the flexible strip lamp board, which can ensure the strip lamp to emit light uniformly, and the flexible strip lamp board with a plurality of L ED chips can be cut by a user according to actual needs to be suitable for different length applications.

As shown in fig. 1, another embodiment of the present application provides a flexible strip lamp board, wherein the positive copper leakage windows 510 and the negative copper leakage windows 520 are uniformly distributed along the length direction of the substrate 100. according to this embodiment, a plurality of power connection ports can be provided on one flexible strip lamp board, so that L ED chips can obtain sufficient voltage, and the decrease of the light-emitting brightness of L ED crystals due to line loss can be avoided, and moreover, a user can cut the flexible strip lamp board at the positions where the positive copper leakage windows 510 and the negative copper leakage windows 520 are arranged, and the cut flexible strip lamp board can still be easily connected with an external power supply.

The bar lamp of the second aspect of the present application is described in detail below with reference to the drawings.

As shown in fig. 3 and 4, an embodiment of the present application provides a strip lamp, which is composed of L ED chips 910, a chip resistor 920, a light guiding silicone rubber 930, and the strip lamp flexible board of the first embodiment, wherein L ED chips 910 and chip resistors 920 are soldered on the strip lamp flexible board, and the light guiding silicone rubber 930 covers L ED chips 910, because L ED chips 910 are soldered directly on the strip lamp flexible board, it is not necessary to use a rigid L ED bracket additionally, the strip lamp can be bent into different shapes easily, and then L ED chips 910 are not surrounded by obstacles such as brackets, so that the illumination range of L ED chips 910 can be increased, and the brightness of the strip lamp can be more uniform, and further, the positive copper-leaking window 510 and the negative copper-leaking window 520 can make the strip lamp connect to an external power source easily and connect the strip lamp together easily.

As shown in fig. 3 and 4, another embodiment of the present application provides a bar lamp, in which the light guiding silicone rubber 930 is a semi-cylindrical solid bar structure, the light guiding silicone rubber 930 covers the surfaces of the L ED chip 910 and the chip resistor 920, and can fix the L ED chip 910 and the chip resistor 920, the axis of the light guiding silicone rubber 930 extends along the length direction of the soft board of the bar lamp, the L ED chip 910 is located on the axis of the light guiding silicone rubber 930, the curved surface of the light guiding silicone rubber 930 protrudes out of the plane of the L ED chip 910, and the light emitted from the L ED chip 910 is symmetrically irradiated onto the curved surface of the light guiding silicone rubber 930.

As shown in fig. 3, another embodiment of the present application provides a strip lamp, in which an insulating paste 800 is pasted on the surfaces of a positive electrode copper leakage window 510 and a negative electrode copper leakage window 520. The insulating paste 800 can prevent the positive electrode copper leakage window 510 and the negative electrode copper leakage window 520 from contacting with other places to cause electric leakage or short circuit, and can also prevent the copper leakage area from being oxidized or corroded by air. When the positive copper leakage window 510 and the negative copper leakage window 520 are required to be connected with an external power supply or a plurality of bar-shaped lamps, the insulating glue can be removed, and the external power supply or the bar-shaped lamps are connected with the positive copper leakage window 510 and the negative copper leakage window 520, so that the lamp is simple and easy to use.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application.

Claims

1. A flexible board for strip-shaped lamps is characterized by comprising:

the base layer is a strip-shaped flexible board made of insulating materials;

2. The flexible strip light panel as claimed in claim 1, wherein: still include second circuit layer, second circuit layer is located the another side of basic unit, second circuit layer is provided with the anodal wire of second and second negative pole wire, the anodal wire of second through a plurality of first conductive through-holes with first anodal wire electricity is connected, second negative pole wire through a plurality of second conductive through-holes with first negative pole wire electricity is connected.

3. The flexible strip light panel as claimed in claim 2, wherein: the circuit board further comprises a second solder mask layer, and the second solder mask layer covers the second circuit layer.

4. The strip lamp flexible printed circuit board as defined in claim 1, wherein said L ED die pads and said resistor pads are uniformly distributed along the length of said substrate.

5. The flexible strip light panel as claimed in claim 1, wherein: the positive electrode copper leakage windows and the negative electrode copper leakage windows are uniformly distributed along the length direction of the base layer.

6. A strip lamp, comprising L ED wafer, resistor, light-guiding silica gel and the strip lamp soft board of any claim 1 to 5, wherein the L ED wafer is welded on the L ED wafer bonding pad, the resistor is welded on the resistor bonding pad, and the light-guiding silica gel covers the L ED wafer.

7. Bar lamp according to claim 6, wherein: the light guide silica gel is of a semi-cylindrical solid strip-shaped structure and extends along the length direction of the base layer.

8. Bar lamp according to claim 6, wherein: the copper-leakage-prevention window further comprises an insulating glue paste, and the insulating glue paste is pasted on the positive electrode copper leakage window and the negative electrode copper leakage window.