CN216719981U

CN216719981U - Ultrathin side-lighting colorful flashing LED patch

Info

Publication number: CN216719981U
Application number: CN202220046761.0U
Authority: CN
Inventors: 王中辰
Original assignee: Suzhou Brightek Optoelectronic Co ltd
Current assignee: Suzhou Brightek Optoelectronic Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-10
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses an ultrathin side-lighting seven-color flickering LED patch, which relates to the technical field of LED patches and comprises a PCB (printed circuit board), wherein the cross section of the PCB is of an L-shaped structure, the side wall of the upper end face of the PCB is fixedly provided with a first conducting plate, a second conducting plate, a third conducting plate and a fourth conducting plate respectively, and the surfaces of the first conducting plate, the second conducting plate, the third conducting plate and the fourth conducting plate are provided with light-emitting components for lighting. According to the LED chip, the LED chip can emit light at the side by the arranged L-shaped PCB and the light-emitting component used in cooperation, the thickness of the LED chip is controlled within 0.4mm, and the occupied space of the LED chip is reduced.

Description

Ultrathin side-lighting colorful flashing LED patch

Technical Field

The utility model relates to the technical field of LED patches, in particular to an ultrathin side-lighting colorful flickering LED patch.

Background

In market application, the side-emitting LEDs capable of realizing colorful flashing have fewer specifications, such as the LEDs 4020 and the like, and the thicknesses of the side-emitting LEDs are mostly between 1 and 2 mm. Because the IC size is large and three chips are connected, the thickness of the LED is difficult to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the ultrathin side-emitting colorful flickering LED patch is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an ultrathin side-luminous colorful flickering LED patch comprises a PCB (printed circuit board), wherein the cross section of the PCB is of an L-shaped structure, the side wall of the upper end face of the PCB is fixedly provided with a first conducting strip, a second conducting strip, a third conducting strip and a fourth conducting strip respectively, and the surfaces of the first conducting strip, the second conducting strip, the third conducting strip and the fourth conducting strip are provided with luminous components for emitting light;

light emitting component includes from left to right fixed setting in proper order at blue light wafer, green glow wafer and the red light wafer on first conducting strip surface, second conducting strip fixed surface is equipped with control IC, control IC surface is equipped with a plurality of contacts, and blue light wafer, green glow wafer and red light wafer surface all are equipped with two connecting contact, and one of them connecting contact all with first conducting strip fixed surface connection, another connecting contact of blue light wafer, green glow wafer and red light wafer is connected with the contact that control IC surface corresponds respectively, other contacts on control IC surface still respectively with first conducting strip, second conducting strip, third conducting strip and fourth conducting strip surface connection. All connect through the gold thread between two contacts, just gold thread wire arc is the cascaded space arrangement of three-layer.

As a further description of the above technical solution:

the surfaces of the first conducting strip, the second conducting strip, the third conducting strip and the fourth conducting strip are fixed on the surface of the PCB through fixing glue points.

As a further description of the above technical solution:

the PCB is characterized in that a U-shaped limiting plate is fixedly arranged on the surface of the PCB far away from the light-emitting assembly, and the U-shaped limiting plate is made of epoxy resin.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

according to the LED chip, the LED chip can emit light at the side by the arranged L-shaped PCB and the light-emitting component used in cooperation, the thickness of the LED chip is controlled within 0.4mm, and the occupied space of the LED chip is reduced.

Drawings

FIG. 1 shows a schematic of the overall structure provided in accordance with the present invention;

fig. 2 shows a schematic view of the top structure of fig. 1 provided in accordance with the present invention.

Illustration of the drawings: 1. a PCB board; 2. a first conductive sheet; 3. a second conductive sheet; 4. a third conductive sheet; 5. a fourth conductive sheet; 6. a blue light wafer; 7. a green light wafer; 8. a red light wafer; 9. a control IC; 10. fixing glue dots; 11. gold thread; 12. u type limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-2, the present invention provides a technical solution: an ultrathin side-luminous colorful flickering LED patch comprises a PCB (printed circuit board) 1, wherein the cross section of the PCB 1 is of an L-shaped structure, the side wall of the upper end face of the PCB 1 is fixedly provided with a first conducting plate 2, a second conducting plate 3, a third conducting plate 4 and a fourth conducting plate 5 respectively, and the surfaces of the first conducting plate 2, the second conducting plate 3, the third conducting plate 4 and the fourth conducting plate 5 are provided with luminous components for emitting light;

light emitting component includes from left to right fixed setting in proper order at the blue light wafer 6 on first conducting plate 2 surface, green glow wafer 7 and ruddiness wafer 8, the fixed control IC9 that is equipped with in second conducting plate 3 surface, control IC9 surface is equipped with a plurality of contacts, blue light wafer 6, green glow wafer 7 and ruddiness wafer 8 surface all are equipped with two connecting contact, and one of them connecting contact all with first conducting plate 2 surface fixed connection, blue light wafer 6, another connecting contact of green glow wafer 7 and ruddiness wafer 8 is connected with the contact that control IC9 surface corresponds respectively, other contacts on control IC9 surface still respectively with first conducting plate 2, second conducting plate 3, third conducting plate 4 and fourth conducting plate 5 surface connection. The two contacts are connected through a gold wire 11, and the wire arcs of the gold wires 11 are distributed in a three-layer stepped space; in the actual production process, the specific model of the control IC9 is DRV2605 YZFT.

Further, the surfaces of the first conducting strip 2, the second conducting strip 3, the third conducting strip 4 and the fourth conducting strip 5 are fixed on the surface of the PCB board 1 through fixing glue points 10; in the actual use process, the third conducting strip 4 and the fourth conducting strip 5 are respectively connected with the positive electrode and the negative electrode of the power supply through leads.

Further, the surface of the PCB board 1 is fixedly provided with a U-shaped limiting plate 12 far away from the light-emitting component, and the U-shaped limiting plate 12 is specifically made of epoxy resin.

The working principle is as follows: during production, a first conducting plate 2, a second conducting plate 3, a third conducting plate 4 and a fourth conducting plate 5 are fixedly arranged on the side wall of the surface of a PCB plate 1 through a fixed glue point 10, then a blue light wafer 6, a green light wafer 7 and a red light wafer 8 are sequentially welded on the first conducting plate 2 in a die bonding mode, a control IC9 is welded on the second conducting plate 3 in a die bonding mode, the first conducting plate 2, the second conducting plate 3, the third conducting plate 4 and the fourth conducting plate 5 are further connected with the blue light wafer 6, the green light wafer 7 and the red light wafer 8 through gold wires 11, the control IC9 is further connected with the blue light wafer 6, the green light wafer 7 and the red light wafer 8 through a die pressing mode, wherein the control IC9 is connected with the three wafers through the three-layer stepped space arrangement mode of the arc of the gold wires 11, then the PCB plate 1 is subjected to die pressing molding through a rubber cake matched with a machine, then is cut, a single LED patch is separated, wherein the rubber cake is specifically epoxy resin, and in the die pressing process, u type limiting plate 12 can effectively avoid the rubber cake outflow, ensures the fastness on PCB panel 1 surface.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An ultrathin side-lighting seven-color flickering LED patch comprises a PCB (printed circuit board) 1, wherein the cross section of the PCB (1) is of an L-shaped structure, and the side wall of the upper end face of the PCB (1) is fixedly provided with a first conducting plate (2), a second conducting plate (3), a third conducting plate (4) and a fourth conducting plate (5) respectively, and is characterized in that the surfaces of the first conducting plate (2), the second conducting plate (3), the third conducting plate (4) and the fourth conducting plate (5) are provided with light-emitting components for emitting light;

the light-emitting component comprises a blue light wafer (6), a green light wafer (7) and a red light wafer (8) which are fixedly arranged on the surface of a first conductive sheet (2) from left to right in sequence, a control IC (9) is fixedly arranged on the surface of a second conductive sheet (3), a plurality of contacts are arranged on the surface of the control IC (9), two connecting contacts are arranged on the surfaces of the blue light wafer (6), the green light wafer (7) and the red light wafer (8), one connecting contact is fixedly connected with the surface of the first conductive sheet (2), the other connecting contacts of the blue light wafer (6), the green light wafer (7) and the red light wafer (8) are respectively connected with the corresponding contacts on the surface of the control IC (9), and the other contacts on the surface of the control IC (9) are respectively connected with the surfaces of the first conductive sheet (2), the second conductive sheet (3), the third conductive sheet (4) and the fourth conductive sheet (5), the two contacts are connected through a gold thread (11), and the arc of the gold thread (11) is in three-layer stepped spatial arrangement.

2. The ultra-thin side-emitting seven-color flickering LED patch as claimed in claim 1, wherein the surfaces of the first conductive sheet (2), the second conductive sheet (3), the third conductive sheet (4) and the fourth conductive sheet (5) are fixed on the surface of the PCB (1) through fixing glue dots (10).

3. The ultra-thin side-lighting seven-color flickering LED patch according to claim 1, wherein a U-shaped limiting plate (12) is fixedly arranged at a position, far away from the light emitting assembly, on the surface of the PCB (1), and the U-shaped limiting plate (12) is made of epoxy resin.