CN215372345U

CN215372345U - Flexible LED module

Info

Publication number: CN215372345U
Application number: CN202121722733.8U
Authority: CN
Inventors: 侯雅萍
Original assignee: Shenzhen Ledodm Lighting Co ltd
Current assignee: Shenzhen Ledodm Lighting Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-31
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a flexible LED module, which belongs to the field of illumination and comprises a flexible PCB bottom plate, wherein the flexible PCB bottom plate is provided with a plurality of lamp bead areas and a plurality of spaced gap areas, the lamp bead areas are obliquely arranged, the spaced gap areas are arranged between the lamp bead areas and the lamp bead areas, the lamp bead areas are arranged in a square structure, the side edges of the lamp bead areas are provided with shear lines, and patch connectors are arranged on the spaced gap areas. The LED lamp strip, the lens lamp strip, the common LED module and the lens module are replaced in the fields of furniture, signboards, lamp boxes and the like, the high-density lamp beads are minimized in the shearing size of the single lamp module, dead angles in the installation process of the signboards and the lamp boxes with various sizes are met, the single module is reserved with the multiple bonding pads, the multiple patch ports are preset on the whole lamp module, and the installation is convenient and fast.

Description

Flexible LED module

Technical Field

The utility model relates to the field of lighting, in particular to a flexible LED module.

Background

The flexible lamp area that has now, product such as module use in the lamp house signboard of big light emitting area or special-shaped light emitting area, often all have many LED flexible lamp area in order to reach luminous effect when the part installation, take lens lamp area or module, the winding is made a round trip repeatedly, does not arrive the equidistance at all during the installation, under the condition of guaranteeing light effect as far as possible, and very high to the installation requirement, and slow, consequently, need design the nature LED module of a PCB board.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flexible LED module, which overcomes the defects of more single-group minimum sheared beads, large single-group minimum sheared area and the like, ensures that high luminous efficiency is more than or equal to 90LM/W, realizes one single lamp and one module, and minimizes a single module; the density of the lamp beads can be improved to the maximum extent. Reserve many pads on the single module, preset a plurality of paster ports on the whole lamp module, improve the connection after the module is cuted and the installation effectiveness of whole lamp module.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a flexible LED module, includes flexible PCB bottom plate, and flexible PCB bottom plate is provided with a plurality of lamp pearl district and a plurality of interval space district, and a plurality of lamp pearl district slope is arranged, is provided with interval space district between lamp pearl district and the lamp pearl district, and lamp pearl district sets up to square structure, and the side in lamp pearl district all is provided with the shear line, is provided with the paster connector on the interval space district.

Furthermore, a single group of welding pads and LED lamp beads are arranged on the lamp bead area, the single group of welding pads comprise two welding spots which are respectively an anode welding spot and a cathode welding spot, and the anode welding spot and the cathode welding spot are respectively connected with two ends of the LED lamp beads.

Furthermore, the number of the single group of bonding pads is 4, and the 4 single group of bonding pads are respectively arranged at four corners of the lamp bead area.

Furthermore, the lamp bead area further comprises a current-limiting resistor, the current-limiting resistor and the LED lamp beads are arranged in the middle of the lamp bead area, one end of the current-limiting resistor is connected with the output end of the LED lamp beads, and the other end of the current-limiting resistor is connected with the negative electrode welding spot.

Further, the LED lamp beads are patch lamp beads, the current-limiting resistor is a patch resistor, the LED lamp beads are connected with the LED lamp beads in parallel, and the input voltage is 24V or 12V.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the LED lamp strip, the lens lamp strip, the common LED module and the lens module are replaced in the fields of furniture, signboards, lamp boxes and the like, the high-density lamp beads are minimized in the shearing size of the single lamp module, dead angles in the installation process of the signboards and the lamp boxes with various sizes are met, the single module is reserved with the multiple bonding pads, the multiple patch ports are preset on the whole lamp module, and the installation is convenient and fast.

Drawings

FIG. 1 is a schematic view of a partially enlarged structure of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is a circuit schematic of the present invention.

Fig. 4 is a schematic structural diagram of the present invention.

In the attached figure, 1-flexible PCB bottom plate, 2-lamp bead area, 3-interval gap area, 4-shear line, 5-patch connector, 6-single group of bonding pad, 7-current limiting resistor and 8-LED lamp bead.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1-4, a flexible LED module comprises a flexible PCB substrate 1, wherein the flexible PCB substrate 1 is provided with a plurality of lamp bead regions 2 and a plurality of spaced gap regions 3, the plurality of lamp bead regions 2 are arranged in an inclined manner, the spaced gap regions 3 are arranged between the lamp bead regions 2 and the lamp bead regions 2, the lamp bead regions 2 are arranged in a square structure, the side edges of the lamp bead regions 2 are provided with shear lines 4, and the spaced gap regions 3 are provided with patch connectors 5.

The LED lamp beads with VF =9V or VF =18V are respectively used when the input voltage DC12 or 24V is adopted, so that the problems that the lighting effect and the heat dissipation of a product can be ensured only by connecting a plurality of conventional LEDs (the conventional LEDs VF is 3V) in series due to high input voltage are solved; the defects that the number of single-group minimum shearing lamp beads is large, the single-group minimum shearing area is large and the like are overcome, one single lamp and one module are realized while high light efficiency is more than or equal to 90LM/W, the single module is minimized, and the density of the lamp beads can be improved to the maximum extent; the whole module consists of a plurality of single lamps, each single lamp is in parallel connection, and each single lamp can independently and normally work; LED lamp pearl is evenly arranged at the size: on the flexible FPC of 230 to 500mm wide by 500mm long, but the silk screen printing lines is as cuting the sign around the single lamp, cuts along the silk screen printing line and does not influence the module performance. The patch terminal base more than 8 is preset at least at whole module for connection between whole module, every single lamp module reserves more than 8 pads of many pads and makes things convenient for the single module to connect after cuting and use.

In the embodiment of the utility model, a single group of welding pads 6 and LED lamp beads 8 are arranged on the lamp bead area 2, the single group of welding pads 6 comprise two welding spots, namely a positive welding spot and a negative welding spot, and the positive welding spot and the negative welding spot are respectively connected with two ends of the LED lamp beads 8. The number of the single group of bonding pads 6 is 4, and the 4 single group of bonding pads 6 are respectively arranged at four corners of the lamp bead area 2.

In the embodiment of the utility model, the lamp bead region 2 further comprises a current-limiting resistor 7, the current-limiting resistor 7 and the LED lamp bead 8 are arranged in the middle of the lamp bead region 2, one end of the current-limiting resistor 7 is connected with the output end of the LED lamp bead 8, and the other end of the current-limiting resistor 7 is connected with the negative electrode welding spot. LED lamp pearl 8 is paster lamp pearl, and current-limiting resistor 7 is paster resistance, and parallel connection between LED lamp pearl 8 and the LED lamp pearl 8, input voltage are 24V or 12V. When the power supply is switched on, the current passes through the LED from the sample application anode and then passes through the resistor to the cathode of the power supply to form a loop electric quantity LED, the current flowing through the LED can be changed by changing the value of the resistor, and the brightness of the LED is changed.

The patch connector is used for connection between the whole module and the whole module, a cutting line, a cutting position and a cutting position are definite, the current limiting resistor is used for controlling current of the lamp beads, VF =9V is selected when the LED lamp beads are in DC12V input, 18V is selected when the LED lamp beads are in DC24V input, and a single group of bonding pads is used for connection between the cut modules/modules.

The LED module is not only limited to the use of the VF9V/18LED lamp beads in the whole LED module, but also comprises the use of the arrangement position of a bonding pad between modules, the application of the connection mode of a patch connector in the LED module and the like.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims

1. A flexible LED module, characterized in that: including flexible PCB bottom plate (1), flexible PCB bottom plate (1) is provided with a plurality of lamp pearl district (2) and a plurality of interval space district (3), and slope arrangement is distinguished (2) to a plurality of lamp pearl, is provided with interval space district (3) between lamp pearl district (2) and lamp pearl district (2), and lamp pearl district (2) sets up to square structure, and the side in lamp pearl district (2) all is provided with shear line (4), is provided with paster connector (5) on interval space district (3).

2. The flexible LED module of claim 1, wherein: a single group of welding pads (6) and LED lamp beads (8) are arranged on the lamp bead area (2), the single group of welding pads (6) comprise two welding spots which are respectively an anode welding spot and a cathode welding spot, and the anode welding spot and the cathode welding spot are respectively connected with two ends of the LED lamp beads (8).

3. A flexible LED module according to claim 2, wherein: the number of the single group of bonding pads (6) is 4, and the 4 single group of bonding pads (6) are respectively arranged at four corners of the lamp bead area (2).

4. A flexible LED module according to claim 3, wherein: the lamp bead region (2) further comprises a current-limiting resistor (7), the current-limiting resistor (7) and the LED lamp beads (8) are arranged in the middle of the lamp bead region (2), one end of the current-limiting resistor (7) is connected with the output end of the LED lamp beads (8), and the other end of the current-limiting resistor (7) is connected with the negative welding spot.

5. The flexible LED module of claim 1, wherein: LED lamp pearl (8) are paster lamp pearl, and current-limiting resistor (7) are paster resistance, and parallel connection between LED lamp pearl (8) and LED lamp pearl (8), input voltage are 24V or 12V.