FPC (Flexible Printed Circuit) for increasing brightness of LED (Light Emitting Diode)

By designing a "几"-shaped FPC flexible board to separate the LED and the camera, and combining reflective components and a reinforcement layer of specific materials, the problem of LED light leakage was solved, thereby improving LED brightness and enhancing camera stability.

CN223613534UActive Publication Date: 2025-11-28JIANGSU HUASHENGLUN MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202520254182.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-11-28
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

In conventional miniature cameras, the LED light is attached to the camera component, which causes light leakage from the sensor chip at the bottom of the camera when the LED light is operating, affecting the stability and effectiveness of the camera.

Method used

Design a flexible FPC board to increase LED brightness. Use a "U"-shaped structure to separate the LED light source from the miniature camera. Combine reflective components and a reinforcing layer and protective film made of aluminum foil/silicone cloth to provide structural protection and light reflection enhancement.

Benefits of technology

This effectively avoids light leakage from the LED light to the camera sensor chip, ensuring stable camera operation, while also enhancing the LED lighting effect and the structural flexibility of the device, improving overall lifespan and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flexible printed circuit (FPC) board for increasing brightness of light-emitting diodes (LEDs), which relates to the technical field of FPC boards and comprises a flexible board assembly and circuit structures, the circuit structures are packaged on the upper side and the lower side of the flexible board assembly, one end of each circuit structure is provided with a reflective component, and the surface of one end, far away from the reflective component, of the flexible board assembly is provided with an assembly hole. And the outer surface of the circuit structure is coated with a protective film. According to the FPC soft board capable of increasing the brightness of the LED, through the structural arrangement of the soft board assembly, an LED light-emitting part and a miniature camera can be separated by a certain distance, light leakage of a Sensor chip at the bottom of the camera is avoided, meanwhile, the illumination direction and range of the LED can be adjusted through the flexible structure of the soft board, and through the structural arrangement of the light reflecting component, the brightness of the LED can be improved. In addition, due to the fact that the protective film is matched with the structure of the soft board assembly, the service life of the whole structure can be guaranteed as much as possible.
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Description

TECHNICAL FIELD

[0001] The utility model relates to FPC soft board technical field, concretely is a kind of FPC soft board of increasing LED brightness. BACKGROUND

[0002] FPC soft board, full name is flexible printed circuit board, commonly known as "soft board", it is a kind of printed circuit board made of flexible insulating substrate (such as polyimide or polyester film).FPC soft board has many advantages that traditional hard printed circuit board does not have, such as light weight, thin thickness, good bending, high wiring density, etc.

[0003] Conventional miniature camera is connected and combined by the way that LED lamp is attached to the outer surface of miniature camera, so that LED lamp is attached on camera assembly, which causes the operation of LED lamp to cause the light leakage of camera bottom Sensor chip.

[0004] Therefore, in view of this, the existing structure and defects are researched and improved, and a kind to be provided FPC soft board of increasing LED brightness. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of FPC soft board of increasing LED brightness, to solve the problems presented in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of FPC soft board of increasing LED brightness, including soft board assembly and circuit structure, the upper and lower sides of the soft board assembly are packaged with circuit structure, and the one end of circuit structure is provided with reflective component, and the surface of the one end of soft board assembly away from reflective component is provided with assembly hole, and the outer surface of circuit structure is covered with protective film.

[0007] Further, the soft board assembly includes an insulating substrate layer, a reinforcing layer and a protective layer, the upper and lower sides of the insulating substrate layer are covered with the reinforcing layer, and the surface of the side of the reinforcing layer away from the insulating substrate layer is covered with the protective layer.

[0008] Further, the reinforcing layer is made of aluminum foil material, and the protective layer is made of silica gel cloth material.

[0009] Further, the circuit structure includes a first circuit, a second circuit and a mounting hole, the left and right ends of the first circuit are connected with the second circuit, and the one end of the second circuit away from the first circuit is provided with the mounting hole.

[0010] Further, the first circuit and the second circuit are electrically connected with each other, and the mounting hole vertically penetrates one end of the soft board assembly.

[0011] Furthermore, a solder joint structure for soldering an LED lamp bead is provided at one end of the second circuit close to the mounting hole, and the first circuit and the second circuit are integrally structured.

[0012] Furthermore, the reflective member includes a first side plate, a second side plate and a reflective film. The two ends of the first side plate are connected to the second side plate, and the outer surfaces of the second side plate and the first side plate are both covered with the reflective film.

[0013] Furthermore, the first side plate and the second side plate are connected to each other and enclose a rectangular frame structure, and the first side plate and the second side plate are connected and combined in a funnel-shaped structure.

[0014] The utility model provides an FPC flexible board for increasing the brightness of an LED, having the following beneficial effects:

[0015] 1. In the utility model, through the structural arrangement of the flexible board assembly, the whole flexible board assembly is integrally in a "Ji" shape structure. The LED light-emitting component can be installed at one end of the two extending structures of the flexible board assembly, and the micro camera can be installed at one end of the flexible board assembly provided with an assembly hole. By using this structural arrangement, the LED light-emitting component and the micro camera can be separated by a certain distance, avoiding the light leakage of the Sensor chip at the bottom of the camera caused by the light generated during the operation of the LED light-emitting component, thereby ensuring the stable and effective operation of the camera. At the same time, the flexible structure of the flexible board assembly can be used to adjust the illumination direction and range of the LED, thereby ensuring the flexibility between the device structures.

[0016] 2. In the utility model, a reflective member is provided at one end of the flexible board assembly where the LED light-emitting component is installed. The first side plate and the second side plate are connected and combined in a funnel-shaped structure. At the same time, the reflective film is pasted on the outer surfaces of the first side plate and the second side plate. With this structural arrangement, on the one hand, it can provide a certain degree of structural protection for the LED light-emitting component, and on the other hand, it can provide the function of reflecting and expanding the illumination light for the LED light-emitting component, thereby providing the function of increasing the brightness of the LED light-emitting component.

[0017] 3, The utility model discloses, the outer side surface of additional insulating substrate layer is provided with the reinforcing layer that uses aluminum foil material to make respectively and the protective layer that uses silica gel cloth material to make, cooperate the structural arrangement of protective film, wherein the protective film uses polyimide or polyester material to make, and adds white coating or pigment on the surface, is used for the illumination of LED light emitting piece to provide the assisting action of reflected light, and white surface can enhance brightness and uniformity, and silica gel cloth is a silica gel material that can use normally in the temperature range of -50 DEG C to 250 DEG C, has high insulation and chemical corrosion resistance, makes the insulating substrate layer enough effectively prevent the damage of external environment to circuit, such as high temperature, low temperature, humidity etc., keeps the stability and reliability of circuit structure, and the reinforcing layer of aluminum foil material can provide certain mechanical support, and has good heat dissipation simultaneously, to facilitate the operation heat dissipation of LED light emitting piece, and also convenient for setting regulation, to this realization is for LED light emitting piece in a certain range different direction's orientation adjustment, utilize the setting of above -mentioned structure to the service life of whole structural member, and structural stability and flexibility are effectively guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the body axis side view structural schematic diagram of the FPC soft board of the utility model of increasing LED brightness;

[0019] Fig. 2 It is the body axis side view structural schematic diagram of the FPC soft board of the utility model of increasing LED brightness;

[0020] Fig. 3 It is the soft board subassembly internal section view structural schematic diagram of the utility model of increasing LED brightness's FPC soft board.

[0021] In the drawing: 1, soft board subassembly;101, insulating substrate layer;102, reinforcing layer;103, protective layer;2, circuit structure;201, first circuit;202, second circuit;203, mounting hole;3, light reflecting component;301, first side plate;302, second side plate;303, light reflecting film;4, assembly hole;5, protective film. DETAILED DESCRIPTION

[0022] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As Figs. 1-3As shown in the figure, a flexible printed circuit (FPC) board for increasing the brightness of an LED includes a flexible board component 1 and a circuit structure 2. Circuit structures 2 are encapsulated on both the upper and lower sides of the flexible board component 1. One end of the circuit structure 2 is provided with a reflective member 3. An assembly hole 4 is formed on the surface of the flexible board component 1 at the end far from the reflective member 3. A protective film 5 is coated on the outer surface of the circuit structure 2. The flexible board component 1 includes an insulating base layer 101, a reinforcement layer 102, and a protective layer 103. Reinforcement layers 102 are coated on both the upper and lower sides of the insulating base layer 101. A protective layer 103 covers the surface of the reinforcement layer 102 on the side far from the insulating base layer 101. The reinforcement layer 102 is made of aluminum foil material, and the protective layer 103 is made of silicone cloth material. In addition, reinforcement layers 102 made of aluminum foil material and protective layers 103 made of silicone cloth material are respectively provided on the outer surface of the insulating base layer 101. With the structural arrangement of the protective film 5, it is convenient to provide operation heat dissipation for the LED light-emitting component while facilitating shaping adjustment, thereby realizing the adjustment of the orientation of the LED light-emitting component in different directions within a certain range.

[0024] As Figs. 1-3 shown, the circuit structure 2 includes a first circuit 201, a second circuit 202, and a mounting hole 203. The left and right ends of the first circuit 201 are connected to the second circuit 202. A mounting hole 203 is formed at the end of the second circuit 202 far from the first circuit 201. The first circuit 201 and the second circuit 202 are electrically connected to each other. The mounting hole 203 vertically penetrates one end of the flexible board component 1. A solder joint structure for welding an LED lamp bead is provided at the end of the second circuit 202 near the mounting hole 203. The first circuit 201 and the second circuit are integrally structured. Through the structural arrangement of the flexible board component 1, the entire flexible board component 1 is integrally structured in a "U" shape. The LED light-emitting component can be installed at one end of the two extension structures of the flexible board component 1, and the micro camera can be installed at one end of the flexible board component 1 where the assembly hole 4 is formed, thereby forming a structural spacing effect.

[0025] As Figs. 1-3 shown, the reflective member 3 includes a first side plate 301, a second side plate 302, and a reflective film 303. The two ends of the first side plate 301 are connected to the second side plate 302. Reflective films 303 cover the outer surfaces of the second side plate 302 and the first side plate 301. The first side plate 301 and the second side plate 302 are connected to each other and enclose a rectangular frame structure. The first side plate 301 and the second side plate 302 are connected and combined in a funnel-shaped structure. The first side plate 301 and the second side plate 302 are connected and combined in a funnel-shaped structure. At the same time, reflective films 303 are pasted on the outer surfaces of the first side plate 301 and the second side plate 302. With this structural arrangement, it can provide the function of reflecting and expanding the illumination light for the LED light-emitting component.

[0026] In summary, asFigs. 1-3 As shown, the FPC soft board for increasing the brightness of the LED, in use, first, the mounting hole 203 at one end of the second circuit 202, or the welding point structure for welding the LED lamp bead arranged at the end of the second circuit 202 close to the mounting hole 203, can be used to connect and fix the LED light emitting member and the circuit structure 2, and at the same time, the assembly hole 4 at one end of the soft board assembly 1 can be used to weld and install the miniature camera at the end of the assembly hole 4 away from the LED light emitting member.

[0027] In the process of operation of the LED light emitting member and the miniature camera, the first side plate 301 and the second side plate 302 covered with the reflective film 303 on the surface can provide a certain degree of structural protection while assisting the illumination of the LED light emitting member, and the reinforcing layer 102 and the protective layer 103 outside the insulating substrate layer 101 cooperate with the structural arrangement of the protective film 5 to provide operation heat dissipation for the LED light emitting member and the miniature camera, and are convenient for shaping and adjusting, so as to realize the adjustment of the direction of the LED light emitting member and the miniature camera in a certain range, and avoid unnecessary mutual interference during operation.

[0028] Soft board assembly 1, circuit structure 2, reflective member 3, assembly hole 4 and protective film 5

[0029] Insulating substrate layer 101, reinforcing layer 102 and protective layer 103

[0030] First circuit 201, second circuit 202 and mounting hole 203

[0031] First side plate 301, second side plate 302 and reflective film 303

[0032] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. An FPC soft board for increasing the brightness of an LED, comprising a soft board assembly (1) and a circuit structure (2), characterized in that: The flexible circuit board assembly (1) is encapsulated with circuit structures (2) on both the upper and lower sides, and a reflective member (3) is provided at one end of the circuit structure (2). Furthermore, an assembly hole (4) is opened on the surface of the flexible circuit board assembly (1) away from the reflective member (3), and a protective film (5) is covered on the outer surface of the circuit structure (2).

2. The FPC soft board for increasing the brightness of LED according to claim 1, wherein, The flexible board assembly (1) includes an insulating substrate layer (101), a reinforcing layer (102) and a protective layer (103). The upper and lower sides of the insulating substrate layer (101) are covered with the reinforcing layer (102), and the surface of the reinforcing layer (102) away from the insulating substrate layer (101) is covered with the protective layer (103).

3. The FPC soft board for increasing the brightness of LED according to claim 2, wherein, The reinforcing layer (102) is made of aluminum foil, and the protective layer (103) is made of silicone cloth.

4. The FPC soft board for increasing brightness of LED according to claim 1, wherein, The circuit structure (2) includes a first circuit (201), a second circuit (202) and a mounting hole (203). The first circuit (201) is connected to the second circuit (202) at both ends, and the second circuit (202) has a mounting hole (203) at the end away from the first circuit (201).

5. The FPC soft board for increasing the brightness of LED according to claim 4, wherein, The first circuit (201) and the second circuit (202) are electrically connected to each other, and the mounting hole (203) penetrates vertically through one end of the flexible board assembly (1).

6. The FPC soft board for increasing brightness of LED according to claim 4, wherein, The second circuit (202) has a solder joint structure for soldering LED beads at one end near the mounting hole (203), and the first circuit (201) and the second circuit (202) are integrated into one structure.

7. The FPC soft board for increasing brightness of LED according to claim 1, wherein, The reflective component (3) includes a first side plate (301), a second side plate (302) and a reflective film (303). The two ends of the first side plate (301) are connected to the second side plate (302), and the outer surfaces of the second side plate (302) and the first side plate (301) are covered with reflective film (303).

8. The FPC soft board for increasing the brightness of LED according to claim 7, wherein, The first side plate (301) and the second side plate (302) are connected to each other and enclose a rectangular frame structure, and the first side plate (301) and the second side plate (302) are connected to each other in a bucket-shaped structure.