CN207638978U - A kind of circuit board assemblies - Google Patents

Abstract

The utility model is related to display screen technology fields, specifically be a kind of circuit board assemblies, including substrate (1), multiple light-emitting diode chip for backlight unit (2) and flexible PCB (3), there is circuit structure (4) on one of substrate (1) surface, it is first surface (5) that the substrate (1), which has the surface of circuit structure (4), light-emitting diode chip for backlight unit (2) is fixed on the first surface (5), one end of the circuit structure (4) is connect with light-emitting diode chip for backlight unit (2), the substrate (1) is second surface (6) away from the surface of circuit structure (4), flexible PCB (3) is welded on second surface (6) and the flexible PCB (3) is connect with circuit structure (4).A kind of flexible PCB is provided and does not form flex area, therefore is not required to need the flex area of bending to design installation space to flexible PCB, to relatively reduce the circuit board assemblies of display bezel.

Description

A kind of circuit board assemblies

Technical field

The utility model is related to display screen technology fields, specifically be a kind of circuit board assemblies.

Background technology

In the prior art, general to wrap in the display screen component in mobile phone, tablet computer or other electronic products such as Fig. 1,2 Circuit board assemblies are included, circuit board assemblies include flexible circuit board substrate 001 and multiple light-emitting diode chip for backlight unit 002, flexible circuit The side of plate substrate 001 has the flexible PCB interconnecting piece 003 for circuit connection, and flexible PCB interconnecting piece 003 is logical It crosses after bending and is connect with other elements, in this way, will result in following deficiency：Flexible PCB interconnecting piece 003 is to pass through bending Bent area 004 is formed later, in the design of display bezel, the flex area of bending need to be needed to design installation to flexible PCB empty Between, to increase the size of display bezel.

In addition, as in field of mobile phones, preceding camera module 005 is generally comprised, preceding camera module 005 is usually and flexibility Circuit board substrate 001 is separation, and preceding camera module 005 is connect by wiring construction 006 with flexible circuit board substrate 001, In this way, the space connected to wiring construction 006 need to be also designed in display bezel, so that whole not compact enough.

Utility model content

The utility model aims to solve the problem that at least one of above-mentioned technical problem.

Technical problem to be solved by the utility model is to provide a kind of flexible PCBs not to form flex area, therefore not The flex area of bending need to be needed to design installation space to flexible PCB, to relatively reduce the circuit board assemblies of display bezel.

In order to solve the above technical problems, a kind of circuit board assemblies of the utility model, which is characterized in that including substrate, more A light-emitting diode chip for backlight unit and flexible PCB have circuit structure, the substrate tool on one of described substrate surface It is first surface to have the surface of circuit structure, and the light-emitting diode chip for backlight unit is fixed on the first surface, the circuit structure One end connect with light-emitting diode chip for backlight unit, the substrate away from circuit structure surface be second surface, the flexible circuit Plate welding is on a second surface and the flexible PCB is connect with circuit structure.

With the above structure, it has the following advantages that：Flexible PCB is welded on second surface, in this manner it is possible to omit Flexible PCB needs the surface where bending to light-emitting diode chip for backlight unit to connect in the prior art, therefore, in display bezel In design, it is not required to need the flex area of bending to design installation space to flexible PCB, so as to relative decrease display bezel Size.

On the basis of open above-mentioned technical proposal, there can also be following technical characteristic：

The flexible PCB welding is on a second surface and the flexible PCB connect with circuit structure and refers to, described There is circuit structure the first pin set, the flexible PCB to have second pin group, first pin set and second pin Group welding.In this way, the first pin set can ensure the connective stability of flexible PCB with second pin group welding, ensure work Normally.

The positional structure of first pin set and second pin group can be：First pin set passes through base from first surface Plate is located on second surface, and first pin set and the welding position of second pin group welding are located on second surface.

Certainly, the positional structure of the first pin set and second pin group can also be：The second pin group is from the second table Face is located at across substrate on first surface, and first pin set and the welding position of second pin group welding are located at first surface On.

The substrate is also flexible PCB.

The welding manner of flexible PCB can also be：Flexible PCB welding is on a second surface and the flexibility Circuit board is connect with circuit structure, is fixed with connecting terminal on the second surface, described connecting terminal one end with it is described The end of circuit structure is welded, and the end of the connecting terminal other end and the flexible PCB is welded.In this way, using wiring After terminal, be more convenient wiring, connecting terminal it is also ensured that flexible PCB connective stability, ensure it is working properly.

Description of the drawings

Fig. 1 is the schematic diagram of circuit board assemblies in the prior art.

Fig. 2 is the side view of circuit board assemblies in the prior art.

Fig. 3 is a kind of structural schematic diagram of circuit board assemblies of the utility model.

Fig. 4 is a kind of side view of circuit board assemblies of the utility model.

Fig. 5 is that section when position and the first pin set pass through substrate to be located at second surface from first surface at B in Fig. 4 shows It is intended to.

Fig. 6 is that section when position and second pin group pass through substrate to be located at first surface from second surface at B in Fig. 4 shows It is intended to.

Fig. 7 be in Fig. 4 at B position and with connecting terminal when schematic cross-section.

Fig. 8 is the schematic cross-section of position at A in Fig. 4.

Wherein：

1, substrate；2, light-emitting diode chip for backlight unit；3, flexible PCB；4, circuit structure；5, first surface；6, the second table Face；7, the first pin set；8, second pin group；9, connecting terminal；10, camera module；11, camera module installing zone；12、 Camera pin.

Specific implementation mode

Utility model is described in more detail with reference to the accompanying drawings and detailed description.

The essence that those skilled in the art convey them to work to others skilled in the art is will hereinafter use to lead to The term being often used describes the utility model concept of the disclosure.However, these utility model concepts can be presented as many differences Form, thus should not be considered limited to embodiments described herein.These embodiments are provided so that present disclosure more It is detailed and complete, and its range for including completely is conveyed to those skilled in the art.It must also be noted that these embodiments not phase Mutually repel.Component, step or element from one embodiment may be assumed that into may be present or uses in another embodiment.Not In the case of the range for being detached from embodiment of the disclosure, institute can be substituted with diversified alternative and/or equivalent implementations The specific embodiment for showing and describing.The application is intended to any modification or modification of covering embodiments discussed herein.For this Obviously alternative embodiment can be put into practice for the technical staff in field using only some aspects in described aspect.Herein For purposes of illustration, specific number, material and configuration are described in embodiment, however, the technical staff in field is not having In the case of there are these specific details, alternative embodiment can also be put into practice.In other cases, crowd may be omitted or simplified Well known feature, so as not to make illustrative embodiment be difficult to understand.In addition, hereinafter contributing to understand illustrative implementation Example describes various operations successively for multiple discrete operations；However, described sequence is not construed as meaning These operations are necessarily dependent upon sequence execution.But these operations need not be executed with the sequence presented.

" in some embodiments " hereinafter, the phrases such as " in one embodiment " may or may not refer to identical reality Apply example.Term " comprising ", " having " and "comprising" are synonymous, unless being provided in other ways in context.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set Have ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

Shown in attached drawing 3-6, a kind of circuit board assemblies, which is characterized in that including substrate 1, multiple light-emitting diodes tube cores There is on one of described substrate 1 surface circuit structure 4, the substrate 1 to have circuit structure for piece 2 and flexible PCB 3 4 surface is first surface 5, and the light-emitting diode chip for backlight unit 2 is fixed on the first surface 5, one end of the circuit structure 4 It is connect with light-emitting diode chip for backlight unit 2, the substrate 1 is second surface 6, the flexible PCB 3 away from the surface of circuit structure 4 It is welded on second surface 6 and the flexible PCB 3 is connect with circuit structure 4.

Flexible PCB 3 is welded on second surface 6, in this manner it is possible to which flexible PCB in the prior art, which is omitted, to be needed to roll over The surface connection being bent to where light-emitting diode chip for backlight unit, therefore, in the design of display bezel, is not required to need to roll over to flexible PCB Installation space is designed in curved flex area, so as to the size of relative decrease display bezel.

Camera module installing zone 11 on the first surface 5 for installing camera module 10, the camera shooting head mould It is equipped with camera pin 12 in group installing zone 11, the camera pin 12 is connect with circuit structure 4, the camera module 10 It is fixed in camera module installing zone 11, the camera module 10 is welded with camera pin 12.After this structure, Camera module 10 is integrated on substrate 1, and the resigning that setting is stepped down to the circuit of camera module 10 can not be had in installing frame Structure keeps space utilization more compact so as to more save space.

The flexible PCB 3 is welded on second surface 6 and the flexible PCB 3 connect with circuit structure 4 and refers to, The circuit structure 4 have the first pin set 7, the flexible PCB 3 have second pin group 8, first pin set 7 with Second pin group 8 is welded.In this way, the first pin set 7 can ensure that the connection of flexible PCB 3 is steady with the welding of second pin group 8 It is qualitative, ensure working properly.

The positional structure of first pin set and second pin group can be：First pin set 7 is passed through from first surface 5 Substrate 1 is located on second surface 6, and the welding position that first pin set 7 is welded with second pin group 8 is located at second surface 6 On.

Certainly, the positional structure of the first pin set and second pin group can also be：The second pin group 8 is from the second table Face 6 is located at across substrate 1 on first surface 5, and the welding position that first pin set 7 and second pin group 8 are welded is located at the On one surface 5.

The substrate 1 is also flexible PCB.

The welding manner of flexible PCB 3 can also be：The flexible PCB 3 is welded on second surface 6 and described Flexible PCB 3 is connect with circuit structure 4, and connecting terminal 9, the connecting terminal 9 one are fixed on the second surface 6 End and the end of the circuit structure 4 are welded, and 9 other end of the connecting terminal and the end of the flexible PCB 3 are welded.This Sample, after connecting terminal 9, be more convenient wiring, connecting terminal 9 it is also ensured that flexible PCB 3 connective stability, ensure It is working properly.

The above is only the preferably feasible implementation example of the utility model, cannot therefore be limitation the utility model Interest field, it is for those skilled in the art, all to be made with the technical solution of the utility model and technical concept Other it is various it is corresponding change should all belong within the protection domain of the utility model claims.

Claims (6)

1. a kind of circuit board assemblies, which is characterized in that including substrate (1), multiple light-emitting diode chip for backlight unit (2) and flexible PCB (3), there is circuit structure (4), the substrate (1) to have the table of circuit structure (4) on one of described substrate (1) surface Face is first surface (5), and the light-emitting diode chip for backlight unit (2) is fixed on the first surface (5), the circuit structure (4) One end is connect with light-emitting diode chip for backlight unit (2), and the substrate (1) is second surface (6), institute away from the surface of circuit structure (4) State that flexible PCB (3) is welded on second surface (6) and the flexible PCB (3) is connect with circuit structure (4).

2. a kind of circuit board assemblies according to claim 1, it is characterised in that：The flexible PCB (3) is welded on On two surfaces (6) and the flexible PCB (3) connect with circuit structure (4) and refers to, the circuit structure (4) has first to draw There is second pin group (8), first pin set (7) to be welded with second pin group (8) for foot group (7), the flexible PCB (3) It connects.

3. a kind of circuit board assemblies according to claim 2, it is characterised in that：First pin set (7) is from the first table Face (5) is located at across substrate (1) on second surface (6), the welding of first pin set (7) and second pin group (8) welding Position is located on second surface (6).

4. a kind of circuit board assemblies according to claim 2, it is characterised in that：The second pin group (8) is from the second table Face (6) is located at across substrate (1) on first surface (5), the welding of first pin set (7) and second pin group (8) welding Position is located on first surface (5).

5. a kind of circuit board assemblies according to claim 1, it is characterised in that：The substrate (1) is also flexible PCB.

6. a kind of circuit board assemblies according to claim 1, it is characterised in that：The flexible PCB (3) is welded on On two surfaces (6) and the flexible PCB (3) connect with circuit structure (4) and refers to, is fixed with and connects on the second surface (6) Line terminals (9), described connecting terminal (9) one end and the end of the circuit structure (4) are welded, and the connecting terminal (9) is another End and the end of the flexible PCB (3) are welded.