CN209402824U - Printed circuit board, display panel and display device - Google Patents

Abstract

The utility model provides a kind of printed circuit board, display panel and display device; the printed circuit board of the utility model; by the way that Wiring structure is set on the first conductive layer; and the first insulating layer is set between the first conductive layer and the second conductive layer; so that the first insulating layer separates the first conductive layer and the second conductive layer; and second insulating layer is set above the second conductive layer, printed circuit board can be protected accidentally not touched when in use, and then prevent electrostatic damage printed circuit board.Again by the way that the cabling point for cabling detection is arranged on Wiring structure, and cavity is opened up with cabling point position corresponding position in the first insulating layer, and second conductive layer be provided with detection structure, test chamber can be passed through by external detection device, and pressing detection structure makes that cabling can be clicked through walking line detection；And may make Wiring structure completely set up in printed circuit intralamellar part, and then ensure that Wiring structure will not be touched accidentally, the effective guarantee service life of printed circuit board.

Description

Printed circuit board, display panel and display device

Technical field

The utility model belong to printed circuit board technology field more particularly to a kind of printed circuit board, display panel and Display device.

Background technique

Liquid crystal display device is current production on the market and most popular panel display apparatus, in liquid crystal display device Printed circuit board design in, static discharge can usually cause abrupt impairment or latent injury to printed circuit board, and Abrupt impairment or latent injury be it is irreversible, cause printed circuit board can not work normally, therefore, printed circuit The anti-static-discharge capability of plate is an extremely important parameter.

Often cause cabling to be easy accidentally to be touched in the second conductive layer cabling in common printed circuit board, and then causes to walking The damage for the element being arranged on line, causes printed circuit board to damage.

Utility model content

The purpose of this utility model is to provide a kind of printed circuit boards, it is intended to which the cabling for solving printed circuit board is set to The technical issues of panel table causes cabling accidentally to be touched, and causes damage to element on cabling.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of printed circuit board, comprising: the One conductive layer, first conductive layer have Wiring structure, and the Wiring structure has multiple cabling points for cabling test；

First insulating layer is set on first conductive layer, first insulating layer and each cabling point corresponding position Equipped with cavity；

Second conductive layer is set to second conductive layer and each cavity corresponding position on first insulating layer and is equipped with inspection Geodesic structure；

Second insulating layer is set on second conductive layer, the second insulating layer and each detection structure corresponding position Equipped with test chamber, and may pass through the test chamber press the detection structure pass through the cavity and with the cabling point contact.

In one embodiment, the press points that the surface of each detection structure is equipped with convenient for pressing.

In one embodiment, the cavity is cylindrical structure, and the central axis of the press points and the cavity is located at On same straight line.

In one embodiment, the frontal projected area of the detection structure on the second conductive layer is less than the cavity Frontal projected area on the second conductive layer.

In one embodiment, the frontal projected area on the second conductive layer of each cabling point is greater than or equal to The frontal projected area of the cavity on the second conductive layer.

In one embodiment, second conductive layer, first insulating layer and first conductive layer run through and set There is fixation hole, and the fixation hole is shifted to install with the Wiring structure.

In one embodiment, the fixation hole is multiple, and multiple fixed hole positions are in the printed circuit board periphery Edge, multiple uniform spaced sets of fixation hole.

In one embodiment, the printed circuit board further includes being set to third insulating layer, and the third insulating layer is located at The opposite side of side where first insulating layer of first conductive layer, first insulating layer and the third insulating layer are flat It is laid on first conductive layer, second conductive layer is laid on first insulating layer.

The beneficial effect of printed circuit board provided by the utility model is: the printed circuit board of the utility model passes through Wiring structure is set on the first conductive layer, and by by the first insulating layer be set to the first conductive layer and the second conductive layer it Between, so that Wiring structure is coated between the first conductive layer and the first insulating layer, printed circuit board can be protected when in use It will not accidentally be touched, and then prevent electrostatic damage printed circuit board.Again by the way that walking for cabling detection is arranged on Wiring structure Line point, and the first insulating layer open up cavity with cabling point position corresponding position and the second conductive layer is provided with detection structure, Second insulating layer is equipped with test chamber corresponding with detection structure position, on the one hand, detects when needing to click through walking line to cabling When, test chamber is passed through using external detection device, then press detection structure, so that detection structure connects with cabling point Touching can click through walking line detection to cabling by external detection device；On the other hand, by detection structure and cabling point Between open up cavity, may make Wiring structure completely set up in printed circuit intralamellar part, and then ensure that Wiring structure will not be by Accidentally touch.

The purpose of this utility model, which also resides in, provides a kind of display panel, including printed circuit board, the printed circuit board Include:

First conductive layer, first conductive layer have Wiring structure, and the Wiring structure has for cabling test Multiple cabling points；

First insulating layer is set on first conductive layer, and first insulating layer is set with each cabling point corresponding position There is cavity；

Second conductive layer, second conductive layer and each cavity corresponding position, which are equipped with, can be pressed through the cavity And the detection structure with the cabling point contact；

Second insulating layer is set on second conductive layer, the second insulating layer and each detection structure corresponding position Equipped with test chamber, and may pass through the test chamber press the detection structure pass through the cavity and with the cabling point contact；

The detection structure, the cavity and cabling point are projected as circular concentric on first conductive layer, The projected area of the detection structure, the cavity and cabling point on first conductive layer is sequentially increased, the inspection The center of geodesic structure is equipped with the press points being recessed towards the cavity.

The beneficial effect of display panel provided by the utility model is: the display panel of the utility model, due to setting There is above-mentioned printed circuit board, on the one hand, when needing to click through walking line detection to cabling, pass through using external detection device Test chamber, then detection structure is pressed, so that detection structure and cabling point contact, can pass through external detection device pair Cabling clicks through walking line detection；On the other hand, by opening up cavity between detection structure and cabling point, it may make Wiring structure Can be completely set up in printed circuit intralamellar part, and then ensure that Wiring structure will not be touched accidentally.Again by the way that cavity and first is conductive The projection of layer is set as circular concentric, and press points are arranged at the center of detection structure, so that detection structure is by external inspection When measurement equipment detects, press points can be pressed, so that detection structure can be contacted relatively easily with cabling point, and then guarantee is to walking The detection effect of line point.

The purpose of this utility model, which also resides in, provides a kind of display device, including above-mentioned printed circuit board, or including upper The display panel stated.

Display device beneficial effect provided by the utility model is: due to having used above-mentioned printed circuit board, a side Face presses detection structure using external detection device when needing to click through walking line detection to cabling, so that detection Structure and cabling point contact can click through walking line detection to cabling by external detection device；On the other hand, by examining Cavity is opened up between geodesic structure and cabling point, may make Wiring structure completely set up in printed circuit intralamellar part, and then ensure Wiring structure will not be touched accidentally, the effective guarantee service life of the display device.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram for the printed circuit board that one embodiment of the utility model provides；

Fig. 2 is the schematic diagram of the section structure for the printed circuit board that another embodiment of the utility model provides；

Fig. 3 is the structural schematic diagram for the printed circuit board that another embodiment of the utility model provides.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~3 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~2, one embodiment of the utility model provides a kind of printed circuit board, including the first conductive layer 30, the first conductive layer 30 has Wiring structure 40, and Wiring structure 40 has multiple cabling points 41 for cabling test；First absolutely Edge layer 20 is set on the first conductive layer 30, and the first insulating layer 20 offers cavity 21 with each 41 corresponding position of cabling point；Second leads Electric layer 10 is set on the first insulating layer 20, and the second conductive layer 10 is equipped with detection structure 11, the second insulation with each 21 corresponding position of cavity Layer 60 is set on the second conductive layer 10, and second insulating layer 60 and each 11 corresponding position of detection structure are equipped with test chamber 61, and may pass through 61 pressing detection structure 11 of test chamber, detection structure 11 can be pressed through cavity 21 and contact with cabling point 41.

Wiring structure 40 is set to the first conduction by setting by the printed circuit board of one embodiment of the utility model On layer 30, and by the way that the first insulating layer 20 to be set between the first conductive layer 30 and the second conductive layer 10, so that Wiring structure 40 are coated between the first conductive layer 30 and the first insulating layer 20, and printed circuit board can be protected not missed when in use Touching, and then prevent electrostatic damage printed circuit board.Again by the way that the cabling point 41 for cabling detection is arranged on Wiring structure 40, And the first insulating layer 20 open up cavity 21 with 41 position corresponding position of cabling point and the second conductive layer 10 is provided with detection Structure 11, second insulating layer 60 are equipped with test chamber 61 corresponding with 11 position of detection structure, on the one hand, when needing to cabling point When 41 progress cabling detection, test chamber 61 is passed through using external detection device, then press detection structure 11, so that Detection structure 11 is contacted with cabling point 41, can carry out cabling detection to cabling point 41 by external detection device；Another party Face may make Wiring structure 40 completely set up in printing by opening up cavity 21 between detection structure 11 and cabling point 41 Inside circuit board, and then ensure that Wiring structure 40 will not be touched accidentally.

In one embodiment, Wiring structure 40 is etched on the first conductive layer 30, due to the thickness of the first conductive layer 30 It is smaller, therefore Wiring structure 40 is etched on the first conductive layer 30, so that guaranteeing the lesser basis of printed circuit plate thickness On, Wiring structure 40 is set on the first conductive layer 30.

In one embodiment, the second conductive layer 10 be sheet copper, second insulating layer 60 be covered in it is green on sheet copper Paint is not spraying green paint with what detection structure position corresponding position was reserved, should be for the position for spraying green paint when spraying green paint Test chamber 61.

In one embodiment, Fig. 1~3 are please referred to, cavity 21 is cylindrical structure, the center of detection structure 11 and cavity 21 central axis is located along the same line.By setting cylindrical structure for cavity 21, and detection structure 11 is located at respectively to walk The surface of line point 41, when carrying out cabling detection, by the way that pressing at detection structure 11, detection structure 11 is located at cabling The surface of point 41 can contact convenient for cabling point 41 with detection structure 11.

In one embodiment, detection structure 11 and the second conductive layer 10 bond, so that detection structure 11 and the second conduction Layer 10 will test structure 11 by glue and be spaced apart with the second conductive layer 10, avoid examining when detecting while being adhesively fixed Geodesic structure 11 generates static dissipative to the second conductive layer 10.

In another embodiment, cavity 21 can also for it is any other will test structure 11 pressed through cavity 21 and with The arbitrary structures that cabling point 41 contacts, the utility model do not define the specific structure of cavity 21.

In one embodiment, referring to Fig. 3, the surface of each detection structure 11 offers press points 111, pass through by External detection device presses press points 111, so that press points 11 in structure 11 and corresponding cabling can be will test 41 contact of point, prevents detection structure 11 when pressing detection structure 11 from not contacting with cabling point 41, guarantees the stability of cabling detection.

In one embodiment, detection structure 11 is naked copper point, on the one hand, copper intensity with higher, in pressing, and inspection Geodesic structure 11 will not be damaged by multiple pressing；On the other hand, the resistance of copper material is smaller, so that passing through pressing detection structure 11 The data of the structure and directly detection cabling point 41 that detect are close.

In one embodiment, referring to Fig. 2, detection structure 11 is less than cavity in the frontal projected area of the second conductive layer 10 21 the second conductive layer 10 frontal projected area.It is set as by will test structure 11 in the frontal projected area of the second conductive layer 10 Less than cavity 21 the second conductive layer 10 frontal projected area so that detection structure 11 can be pressed against completely in cavity 21, into And contacted with cabling point 41, detection structure 11 can be contacted with cabling point 41 when ensureing pressing detection structure 11.

In one embodiment, Fig. 1 or 2 is please referred to, each cabling point 41 is greater than in the frontal projected area of the second conductive layer 10 Or equal to cavity 21 the second conductive layer 10 frontal projected area.By handling 41 overstriking of cabling point, so that each cabling point 41 Be completely covered by the lower surface of cavity 21, in this way, in pressing detection structure 11, detection structure 11 1 surely with cabling point 41 Contact, and then realize cabling detection.

In one embodiment, referring to Fig. 3, printed circuit board, which is equipped with, sequentially passes through the second conductive layer 10, first absolutely The fixation hole 50 of edge layer 20 and the first conductive layer 30, and fixation hole 50 is shifted to install with Wiring structure 40.Thus it is possible, on the one hand, By opening up fixation hole 50, fixation hole 50 is passed through using fixing piece, printed circuit board can be fixed in external display device Or on other electronic products；On the other hand, fixation hole 50 is shifted to install with Wiring structure 40, across the fixing piece of fixation hole 50 Wiring structure 40 in printed circuit board will not be had an impact.

In one embodiment, referring to Fig. 3, printed circuit board is equipped with multiple consolidating positioned at printed circuit board outer peripheral edge Determine hole 50, the uniform spaced set of multiple fixation holes 50.By the fixation hole 50 for opening up multiple uniform spaced sets, it is ensured that Printed circuit board is securely held.

In one embodiment, Fig. 1 or 2 is please referred to, printed circuit board further includes being set to third insulating layer 70, third insulation Layer 70 is located at the opposite side of the 20 place side of the first insulating layer of the first conductive layer 30, and the first insulating layer 20 is laid in the first conductive layer On 30, the second conductive layer 10 is laid on the first insulating layer 20.By the way that the first insulating layer 20 is laid on the first conductive layer 30, First conductive layer 30 can be spaced apart with the second conductive layer 10, and then prevented in use or processing since accidentally touching generates personnel Static discharge to Wiring structure 40 generate damage.

In one embodiment, the first conductive layer 30 be sheet copper, third insulating layer 70 be covered in it is green on sheet copper First conductive layer 30 is covered by spraying third insulating layer 70, and then the first conductive layer 30 is prevented to be oxidized corrosion by paint.

Another embodiment of the utility model provides a kind of display panel, including printed circuit board, printed circuit board packet Include the first conductive layer 30, the first conductive layer 30 has a Wiring structure 40, Wiring structure 40 have for cabling test it is multiple walk Line point 41；First insulating layer 20 is set on the first conductive layer 30, and the first insulating layer 20 is offered with each 41 corresponding position of cabling point Cavity 21；Second conductive layer 10 is set on the first insulating layer 20, and the second conductive layer 10 is equipped with detection knot with each 21 corresponding position of cavity Structure 11, second insulating layer 60 are set on the second conductive layer 10, and second insulating layer 60 and each 11 corresponding position of detection structure are equipped with detection Chamber 61, and may pass through 61 pressing detection structure 11 of test chamber, detection structure 11 can be pressed through cavity 21 and with cabling point 41 contacts；Detection structure 11, cavity 21 and cabling point 41 are projected as circular concentric, detection structure on the first conductive layer 30 11, the projected area of cavity 21 and cabling point 41 on the first conductive layer 30 is sequentially increased, and the center of detection structure 11 is equipped with court The press points 111 being recessed to cavity 21.

The display panel provided in the utility model one embodiment, on the one hand, when need to cabling point 41 carry out cabling When detection, pass through test chamber 61 using external detection device, then press detection structure 11 so that detection structure 11 with Cabling point 41 contacts, and can carry out cabling detection to cabling point 41 by external detection device；On the other hand, by examining Cavity 21 is opened up between geodesic structure 11 and cabling point 41, may make Wiring structure 40 completely set up in printed circuit intralamellar part, And then ensure that Wiring structure 40 will not be touched accidentally.Again by setting concentric circles for the projection of cavity 21 and the first conductive layer 30 Shape, and press points 111 are set at the center of detection structure 11, so that detection structure 11 is by external detection device when being detected, Press points 111 can be pressed, so that detection structure 11 can be contacted relatively easily with cabling point 41, and then be ensured to cabling point 41 Detection effect.

A kind of display device is provided in another embodiment of the utility model, including above-mentioned printed circuit board, or including Above-mentioned display panel.Due to having used above-mentioned printed circuit board, on the one hand, when need to cabling point 41 carry out cabling detection When, detection structure 11 is pressed using external detection device, so that detection structure 11 is contacted with cabling point 41, Bian Ketong It crosses external detection device and cabling detection is carried out to cabling point 41；On the other hand, by detection structure 11 and cabling point 41 it Between open up cavity 21, may make Wiring structure 40 completely set up in printed circuit intralamellar part, and then ensure Wiring structure 40 not It can accidentally be touched, the effective guarantee service life of the display device.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of printed circuit board, it is characterised in that: include:

First conductive layer, first conductive layer have Wiring structure, and the Wiring structure has for the multiple of cabling test Cabling point；

First insulating layer is set on first conductive layer, and first insulating layer is equipped with each cabling point corresponding position Cavity；

Second conductive layer is set on first insulating layer, and second conductive layer and each cavity corresponding position are equipped with detection Structure；

Second insulating layer is set on second conductive layer, and the second insulating layer is equipped with each detection structure corresponding position Test chamber, and may pass through the test chamber press the detection structure pass through the cavity and with the cabling point contact.

2. printed circuit board according to claim 1, it is characterised in that: the surface of each detection structure, which is equipped with, to be convenient for The press points of pressing.

3. printed circuit board according to claim 2, it is characterised in that: the cavity is cylindrical structure, the pressing The central axis of point and the cavity is located along the same line.

4. printed circuit board according to claim 3, it is characterised in that: the detection structure is on the second conductive layer Frontal projected area be less than the frontal projected area of the cavity on the second conductive layer.

5. printed circuit board according to claim 1, it is characterised in that:

The frontal projected area on the second conductive layer of each cabling point is greater than or equal to the cavity described second Frontal projected area on conductive layer.

6. printed circuit board according to claim 1, it is characterised in that: the second insulating layer, second conductive layer, First insulating layer and first conductive layer, which run through, is equipped with fixation hole, and the fixation hole and the Wiring structure misplace Setting.

7. printed circuit board according to claim 6, it is characterised in that: the fixation hole is multiple, multiple fixations Hole is located at the printed circuit board outer peripheral edge, multiple uniform spaced sets of fixation hole.

8. described in any item printed circuit boards according to claim 1~7, it is characterised in that: the printed circuit board further includes Third insulating layer, the opposite side of side, institute where the third insulating layer is located at first insulating layer of first conductive layer It states the first insulating layer and the third insulating layer is laid on first conductive layer, second conductive layer is laid in described the On one insulating layer.

9. display panel, it is characterised in that: including printed circuit board, the printed circuit board includes:

First conductive layer, first conductive layer have Wiring structure, and the Wiring structure has for the multiple of cabling test Cabling point；

First insulating layer is set on first conductive layer, and first insulating layer and each cabling point corresponding position are equipped with sky Chamber；

Second conductive layer, second conductive layer and each cavity corresponding position be equipped with can be pressed through the cavity and with The detection structure of the cabling point contact；

Second insulating layer is set on second conductive layer, and the second insulating layer is equipped with each detection structure corresponding position Test chamber, and may pass through the test chamber press the detection structure pass through the cavity and with the cabling point contact；

The detection structure, the cavity and cabling point are projected as circular concentric on first conductive layer, described The projected area of detection structure, the cavity and cabling point on first conductive layer is sequentially increased, the detection knot The center of structure is equipped with the press points being recessed towards the cavity.

10. a kind of display device, it is characterised in that: including printed circuit board as described in any one of claims 1 to 8, or Including display panel as claimed in claim 9.