FPC circuit board and backlight structure

Abstract

The utility model discloses an FPC circuit board and backlight structure, relates to backlight display technical field, including the board body, the board body includes the substrate, the outside of the substrate is provided with the wiring layer for circuit board circuit welding, the outside of the wiring layer is provided with the installation layer for circuit element installation, the substrate, the installation layer and the wiring layer are integrated in order, and the installation layer is used for the circuit element installation. The magnetic plates are symmetrically arranged on the outer side of the plate body, the magnetic plates can be connected with the fixing base in an adsorption mode, installation is easy, the fixing base is provided with the clamping groove, the magnetic plates can be clamped in a card eraser, stability is higher, a gap can be formed between the plate body and the back plate frame through the fixing base, and therefore the heat dissipation efficiency is improved, and the service life of the card eraser is prolonged. The multiple optical filters are arranged between the light guide plate and the display screen, light is refracted and filtered through the multiple optical filters, light sources of the LED lamps can be evenly scattered on the display screen, and the display brightness is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the backlight display field, concretely relates to a kind of FPC circuit board and backlight structure. BACKGROUND

[0002] LED backlight refers to using LED (Light Emitting Diode) as the backlight source of liquid crystal display screen. Compared with traditional CCFL (Cold Cathode Tube) backlight source, LED has the characteristics of low power consumption, low heat output, high brightness and long service life, and is expected to completely replace traditional backlight system in recent years.

[0003] The existing backlight device FPC circuit board is fixed between the backlight structure by adhesive, which affects the heat dissipation of the circuit board itself, and the disassembly can easily cause damage to the circuit board. INVENTION CONTENTS

[0004] The utility model provides a kind of FPC circuit board and backlight structure to solve the technical problems raised in the above background.

[0005] To solve the above technical problems, the utility model provides a kind of FPC circuit board, including board body, the board body includes substrate, the substrate outside is equipped with wiring layer, for circuit board circuit welding, the wiring layer outside is equipped with installation layer, for installing circuit element, the substrate, installation layer and wiring layer are integrally formed in sequence.

[0006] Preferably, the board body outside is fixedly installed with magnetic plate, the magnetic plate is provided with a plurality of, a plurality of the magnetic plate is equidistant and symmetrically arranged.

[0007] A backlight structure includes a board body and a magnetic plate, and further includes a frame, the frame is in the shape of a mouth, the frame rear side is fixedly installed with a backboard frame, the backboard frame rear side is detachably installed with the board body, the backboard frame side is provided with a lamp plate, the lamp plate is fixed between the frame by glue, the frame outside is clamped with a display screen, the display screen is electrically connected with the board body, the frame inside is provided with a light guide plate, and a filter is provided between the light guide plate and the display screen.

[0008] Preferably, the filter is provided with a plurality of, a plurality of the filter is equidistantly arranged.

[0009] Preferably, the lamp plate is in the shape of L, and the lamp plate is in transition with the backboard frame, the lamp plate inside is fixedly installed with LED lamp, the LED lamp is provided with a plurality of, a plurality of the LED lamp is equidistantly arranged, and the LED lamp is electrically connected with the board body.

[0010] Preferably, the backboard frame rear side is fixedly installed with a fixing seat, the fixing seat is provided with two, two The fixing seat is provided with a clamping groove at the corresponding position of the magnetic plate, and the magnetic plate is clamped in the clamping groove.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] 1, a kind of FPC circuit board and backlight structure of the utility model, by being equipped with magnetic plate in plate body outside, magnetic plate is equipped with multiple, multiple magnetic plates are symmetrically arranged, magnetic plate can be adsorbed and connected with fixed seat, simple to install, fixed seat is provided with clamping groove, magnetic plate can be clamped in card wipe, higher stability, and plate body can form gap between backboard frame by fixed seat, to accelerate heat dissipation efficiency.

[0013] 2, a kind of FPC circuit board and backlight structure of the utility model, by being equipped with optical filter between light guide plate and display screen, optical filter is equipped with multiple, by multiple optical filter refraction filtering, the light source of LED lamp can be evenly scattered on display screen, improve display brightness. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural diagram of a kind of FPC circuit board of the utility model;

[0015] Figure 2 It is the structural diagram in a kind of backlight structure of the utility model;

[0016] Figure 3 It is the rear view structural diagram of a kind of backlight structure of the utility model;

[0017] Figure 4 It is the explosion structural diagram of a kind of backlight structure of the utility model;

[0018] Marked number in figure: 1, base plate;2, installation layer;3, wiring layer;4, magnetic plate;5, frame;6, display screen;7, backboard frame;8, lamp plate;9, fixed seat;10, plate body;11, optical filter;12, light guide plate;13, LED lamp. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of FPC circuit board, including plate body 10, plate body 10 includes base plate 1, base plate 1 outer side is equipped with wiring layer 3, for circuit board circuit welding, wiring layer 3 outer side is equipped with installation layer 2, for installing circuit element, base plate 1, installation layer 2 and wiring layer 3 are integrally formed in sequence.

[0020] Further, plate body 10 outer side is fixedly installed magnetic plate 4, magnetic plate 4 is equipped with multiple, multiple magnetic plates 4 equidistant and two two symmetrically arranged.

[0021] A backlight structure, comprising a plate body 10 and a magnetic plate 4, further comprising a frame 5, the frame 5 is in the shape of a mouth, the rear side of the frame 5 is fixedly installed with a back plate frame 7, the rear side of the back plate frame 7 is detachably installed with the plate body 10, the side surface of the back plate frame 7 is provided with a lamp plate 8, the lamp plate 8 is fixed between the frame 5 through glue, the outer side of the frame 5 is clamped with a display screen 6, the display screen 6 is electrically connected with the plate body 10, the inner side of the frame 5 is provided with a light guide plate 12, and the light guide plate 12 and the display screen 6 are provided with a light filter 11.

[0022] Further, the light filter 11 is provided with a plurality of light filters 11 arranged at equal intervals.

[0023] Further, the lamp plate 8 is in the shape of L, and the lamp plate 8 is in transition cooperation with the back plate frame 7, the inner side of the lamp plate 8 is fixedly installed with an LED lamp 13, the LED lamp 13 is provided with a plurality of LED lamps 13 arranged at equal intervals, and the LED lamp 13 is electrically connected with the plate body 10.

[0024] Further, the rear side of the back plate frame 7 is fixedly installed with a fixed seat 9, the fixed seat 9 is provided with two fixed seats 9, and the two fixed seats 9 are provided with clamping grooves corresponding to the positions of the magnetic plate 4, and the magnetic plate 4 is clamped in the clamping grooves.

[0025] Working principle:

[0026] The plate body 10 is provided with a plurality of magnetic plates 4 arranged symmetrically, and the magnetic plate 4 can be connected with the fixed seat 9, which is simple to install, the fixed seat 9 is provided with a clamping groove, the magnetic plate 4 can be clamped in the clamping groove, and the stability is higher, and the plate body 10 can form a gap between the back plate frame 7 through the fixed seat 9, so as to accelerate the heat dissipation efficiency, the light filter 11 is provided between the light guide plate 12 and the display screen 6, the light filter 11 is provided with a plurality of light filters 11, the light source of the LED lamp 13 is uniformly scattered on the display screen 6 through the refraction of the plurality of light filters 11, and the display brightness is improved.

Claims

1. An FPC wiring board comprising a board body (10), characterized by: The plate body (10) includes a base plate (1), the outer side of the base plate (1) is provided with a wiring layer (3) for circuit board circuit welding, the outer side of the wiring layer (3) is provided with a mounting layer (2) for mounting circuit elements, the base plate (1), the mounting layer (2) and the wiring layer (3) are integrally formed in sequence.

2. The FPC wiring board according to claim 1, wherein The plate body (10) is fixedly mounted with a plurality of magnetic plates (4) on the outer side, the plurality of magnetic plates (4) are equidistantly and symmetrically arranged.

3. A backlight structure comprising the plate body (10) and the magnetic plate (4) according to any one of claims 1-2, characterized in that, Further comprising a frame (5), the frame (5) is in the shape of a mouth, the back plate frame (7) is fixedly mounted on the rear side of the frame (5), the plate body (10) is detachably mounted on the rear side of the back plate frame (7), the lamp plate (8) is arranged on the side of the back plate frame (7), the lamp plate (8) is fixed between the frame (5) by glue, the display screen (6) is clamped on the outer side of the frame (5), the display screen (6) is electrically connected with the plate body (10), the light guide plate (12) is arranged on the inner side of the frame (5), the light filter (11) is arranged between the light guide plate (12) and the display screen (6).

4. The backlight structure of claim 3, wherein, The light filter (11) is provided with a plurality of light filters (11), and the plurality of light filters (11) are equidistantly arranged.

5. The backlight structure of claim 3, wherein, The lamp plate (8) is in the shape of L, and the lamp plate (8) is transitionally matched with the back plate frame (7), the LED lamp (13) is fixedly mounted on the inner side of the lamp plate (8), the LED lamp (13) is provided with a plurality of LED lamps (13), the plurality of LED lamps (13) are equidistantly arranged, and the LED lamp (13) is electrically connected with the plate body (10).

6. The backlight structure of claim 3, wherein, The back plate frame (7) is fixedly mounted with a fixing seat (9) on the rear side, the fixing seat (9) is provided with two fixing seats (9), the fixing seat (9) is provided with a clamping groove at the corresponding position of the magnetic plate (4), and the magnetic plate (4) is clamped in the clamping groove.

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