CN207781084U - Display panel - Google Patents

Abstract

Disclose a kind of display panel, the display panel includes panel body, the flexible PCB being electrically connected with the panel body, the key sensor being electrically connected with the flexible PCB and the adhesive tape for surrounding the panel body at least partly edge, the adhesive tape fixes at least partly described flexible PCB and at least partly described key sensor, wherein, the adhesive tape is sandwich, and the key sensor is embedded in the interlayer of the adhesive tape.The utility model utilizes the adhesive tape for surrounding display panel panel body at least partly edge, the wherein described adhesive tape is sandwich, key sensor is embedded in the interlayer of the adhesive tape so that key sensor is fixed with adhesive tape, position is more stablized, and displacement is not susceptible to.Since key sensor is embedded in adhesive tape, instead of the key sensor of flexible PCB form in the prior art, cost is lower, and can to avoid flexible PCB abnormity seriously bring the problem of.

Description

Display panel

Technical field

The utility model is related to field of display, more particularly, to a kind of display panel.

Background technology

As electronic product is towards light, thin direction is fast-developing, in various electronic products, the overwhelming majority is all made of liquid crystal Show that panel (Liquid Crystal Display, LCD) is used as display device.

By taking display panel is liquid crystal display panel as an example, in addition to the panel based on liquid crystal module and backlight module This is external, further include be electrically connected with panel body flexible PCB (Flexible Printed Circuit board, FPC), the display panel as the display device in some equipment, such as the display panel on laptop, also typically include The key sensor being electrically connected with flexible PCB.

In the prior art, panel body is equipped with cover board (Cover Lens), and key sensor is also flexible PCB shape Formula is directly linked together with the above-mentioned flexible PCB being electrically connected with panel body, is fixed by being attached with cover board.On The key sensor for stating the prior art is flexible PCB form, and flexible PCB abnormity is serious, and cost is higher so that whole Body cost is higher, and the on the other hand attaching of itself and cover board is fixed usually insecure, and the displacement of key sensor is be easy to cause.

Utility model content

In view of the above problems, the purpose of this utility model is to provide a kind of display panels, solve key sensor and are easy The problem of displacement.

According to a kind of display panel provided by the utility model, including panel body, it is electrically connected with the panel body Flexible PCB, the key sensor being electrically connected with the flexible PCB and the encirclement panel body at least partly edge Adhesive tape, the adhesive tape fixes at least partly described flexible PCB and at least partly described key sensor, wherein institute It is sandwich to state adhesive tape, and the key sensor is embedded in the interlayer of the adhesive tape.

Preferably, the adhesive tape including the first insulating layer, second insulating layer and is folded in first insulating layer and institute The aluminium foil layer between second insulating layer is stated, the key sensor is embedded in the aluminium foil layer.

Preferably, the key sensor includes the multiple functional areas being formed in the aluminium foil layer.

Preferably, each functional areas in the multiple functional areas and between the aluminium foil on its periphery have gap.

Preferably, the multiple functional areas include upper functional areas, lower functional areas, left functional areas and right functional areas, described Left functional areas and the right functional areas in blocky and be symmetrical arranged, the upper functional areas and the lower functional areas it is in a strip shape and It is distributed between the left functional areas and the right functional areas.

Preferably, for first insulating layer of the adhesive tape towards the panel body, described the second of the adhesive tape is exhausted Edge layer deviates from the panel body, at least partly described flexible PCB be located at first insulating layer and the panel body it Between.

Preferably, first insulating layer includes multiple openings, and the multiple functional areas of the key sensor pass through The multiple opening is connect with the flexible PCB.

Preferably, the position of the multiple opening is corresponding with the position of the multiple functional areas respectively, the multiple function Area is connect by viscous conductive glue with the flexible PCB in the expose portion of the multiple opening.

Preferably, the key sensor further includes the multiple pins being formed in the aluminium foil layer, the multiple pin Correspondence is connect by multiple leads with the multiple functional areas respectively, the position of the multiple opening respectively with the multiple pin Position correspond to, the multiple pin the multiple opening exposure and pass through viscous conductive glue and the flexible PCB Connection.

Preferably, the shape of the multiple pin is identical, and array arrangement.

Display panel according to the present utility model, using the adhesive tape for surrounding display panel panel body at least partly edge, The wherein described adhesive tape is sandwich, key sensor is embedded in the interlayer of the adhesive tape so that key sensor is with glue Band is fixed, and position is more stablized, and displacement is not susceptible to.Since key sensor is embedded in adhesive tape, instead of in the prior art Flexible PCB form key sensor, cost is lower, and can be asked to avoid what flexible PCB abnormity was seriously brought Topic.

The adhesive tape of display panel may include the first insulating layer, second insulating layer and be folded in it is described first insulation Aluminium foil layer between layer and the second insulating layer, wherein key sensor can be embedded by etching technics described in being formed in In aluminium foil layer, first insulating layer deviates from the panel body, adhesive tape packet towards the panel body, the second insulating layer Behind at least partly edge for enclosing panel body, appearance is consistent with existing adhesive tape, and internal key sensor can be by first absolutely The opening being arranged in edge layer is electrically connected with flexible PCB, and the setting of key sensor is realized with lower cost.

In a preferred embodiment, key sensor is except including being formed in addition to multiple functional areas in aluminium foil layer, further including The multiple pins being formed in aluminium foil layer, the multiple pin is corresponding respectively to be connected by multiple leads and the multiple functional areas It connects, the position of the multiple opening is corresponding with the position of the multiple pin respectively, and the multiple pin is in the multiple opening Place exposes and is connect with the flexible PCB by viscous conductive glue.Shape, arrangement mode of multiple pins etc. can be with Flexible PCB matches, and the arrangement of multiple functional areas will more freely, to the diversity of abundant button setting.

Description of the drawings

By referring to the drawings to the description of the utility model embodiment, above-mentioned and other mesh of the utility model , feature and advantage will be apparent from, in the accompanying drawings：

Fig. 1 shows the stereogram of the display panel according to the utility model first embodiment；

Fig. 2 shows the stereogram exploded views according to the adhesive tape of the utility model first embodiment；

Fig. 3 shows the vertical view of the aluminium foil layer of the adhesive tape according to the utility model first embodiment；

Fig. 4 shows the stereogram exploded view of the adhesive tape according to the utility model second embodiment；

Fig. 5 shows the vertical view of the aluminium foil layer of the adhesive tape according to the utility model second embodiment.

Specific implementation mode

Hereinafter reference will be made to the drawings is more fully described the utility model.For the sake of clarity, the various pieces in attached drawing do not have Have drawn to scale.Furthermore, it is possible to which certain well known parts are not shown.The many specific of the utility model is described hereinafter Details, but just as the skilled person will understand, specifically can not carefully realize this practicality according to these It is novel.

Fig. 1 shows that the stereogram of the display panel according to the utility model first embodiment, display panel include panel sheet Body 110, the flexible PCB 120 being electrically connected with panel body 110, the key sensor being electrically connected with flexible PCB 120 with And surround the adhesive tape 130 at at least partly edge of panel body 110.Panel body 110 can be liquid crystal display panel, can also be Such as other display panels such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED), adhesive tape 130 It incites somebody to action at least partly flexible PCB 120 and at least partly key sensor is fixed.Unlike the prior art, this practicality is new In type first embodiment, adhesive tape 130 is sandwich, and wherein key sensor is embedded in the interlayer of adhesive tape 130.In Fig. 1, The overall structure of adhesive tape 130 is essentially only shown, key sensor is embedded in some part interior of adhesive tape 130, to not show Go out key sensor, key sensor can for example be embedded in the position of the close flexible PCB 120 of adhesive tape 130.

The part for the embedded key sensor for intercepting adhesive tape 130 is described in detail below.

Fig. 2 shows the stereogram exploded views of the adhesive tape 130 of first embodiment, it should be noted that Fig. 2 is not the complete of adhesive tape 130 Shape, overall shape are designed with that as needed can coat at least partly edge of panel body 110, Fig. 2 interceptions A rectangular-shaped part is shown.

Adhesive tape 130 may include the first insulating layer 131, second insulating layer 132 and be folded in the first insulating layer 131 and Aluminium foil layer 133 between two insulating layers 132, key sensor are embedded in aluminium foil layer 133.

Fig. 3 shows the vertical view of the aluminium foil layer 133 of the adhesive tape 130 of the utility model first embodiment, please also refer to Fig. 1 To Fig. 3.Key sensor may include the multiple functional areas 141 being formed in aluminium foil layer 133.In the present embodiment, multiple functions Area 141 includes upper functional areas 141U, lower functional areas 141D, left functional areas 141L and right functional areas 141R, left functional areas 141L It in bulk and is symmetrical arranged with right functional areas 141R, left functional areas 141L and right functional areas 141R is substantially phase in the present embodiment Same rectangular bulk, upper functional areas 141U and lower functional areas 141D are in a strip shape, upper functional areas 141U and lower function in the present embodiment Area 141D is roughly the same rectangular strip, and is distributed between left functional areas 141L and right functional areas 141R.

Multiple functional areas 141 are also conductive material, can be formed by patterned aluminum layers of foil 133, further, each There is gap, so that aluminium foil of each functional areas 141 independently of periphery between functional areas 141 and the aluminium foil on its periphery.

When adhesive tape 130 combines attaching with panel body 110, the first insulating layer 131 of adhesive tape 130 towards panel body 110, The second insulating layer 132 of adhesive tape 130 deviates from panel body 110, and at least partly flexible circuit board 120 is located at the first insulating layer 131 Between panel body 110.First insulating layer 131 includes multiple openings 151, and multiple functional areas 141 of key sensor pass through Multiple openings 151 are connect with flexible PCB 120.In the present embodiment, it is multiple opening 151 position respectively with multiple functional areas 141 position corresponds to, and multiple openings 151 can be the shapes such as round, rectangular, and multiple openings 151 is round in the present embodiment, often The size of a opening 151 can be less than the size of the functional areas 141 corresponding to it so that each 141 part of functional areas exposure, it is more Expose portion of a functional areas 141 at multiple openings 151 can be connect by viscous conductive glue with flexible PCB 120, real Now it is embedded in the key sensor of adhesive tape 130 and being electrically connected for the flexible PCB 120 outside adhesive tape 130.

In the present embodiment, the first insulating layer 131 and second insulating layer 132 can be that the bound edge shading rubber belt of display panel is normal Composite insulating material, e.g. mylar (polyester film) material.It is embedded in the more of the key sensor in aluminium foil layer 133 A functional areas 141 can directly be formed on the aluminium foil layer of full wafer 133 by etching technics.Wherein multiple functions are formed in etching When area 141, double end cutter technique may be used, to make each functional areas 141 and the aluminium foil on periphery separate there are gap It opens.

Display panel according to the present utility model utilizes at least partly side of existing encirclement display panel panel body 110 The adhesive tape 130 of edge, the wherein adhesive tape 130 are sandwich, key sensor are embedded in the interlayer of adhesive tape 130 so that press Key sensor is fixed with adhesive tape 130, and position is more stablized, and displacement is not susceptible to.Since key sensor is embedded in adhesive tape 130 Interior, instead of the key sensor of flexible PCB form in the prior art, cost is lower, and can be to avoid flexible circuit The problem of plate abnormity is seriously brought.

The adhesive tape 130 of display panel may include the first insulating layer 131, second insulating layer 132 and be folded in first absolutely Aluminium foil layer 133 between edge layer 131 and second insulating layer 132, wherein key sensor can be embedded and formed by etching technics In aluminium foil layer 133, the first insulating layer 131 deviates from panel body 110, adhesive tape towards panel body 110, second insulating layer 132 After 130 surround at least partly edge of panel body 110, appearance is consistent with existing adhesive tape, and internal key sensor can lead to It crosses the opening 151 being arranged on the first insulating layer 131 to be electrically connected with flexible PCB 120, button sensing is realized with lower cost The setting of device.

Mode in key sensor insertion adhesive tape can be not limited to form shown in above-mentioned first embodiment, such as Fig. 4 The stereogram exploded view of the adhesive tape 230 according to the utility model second embodiment is also shown.It should be noted that Fig. 4 is not adhesive tape 230 overall shape, overall shape are carried out with that as needed can coat at least partly edge of display panel panel body Design, Fig. 4 have intercepted a rectangular-shaped part and have been shown.

The adhesive tape 230 of second embodiment equally includes the first insulating layer 231, second insulating layer 232 and is folded in first Aluminium foil layer 233 between insulating layer 231 and second insulating layer 232, key sensor are embedded in aluminium foil layer 233.

Fig. 5 shows the vertical view of the aluminium foil layer 233 of the adhesive tape 230 of second embodiment, please also refer to Fig. 4 and Fig. 5.Button Sensor may include the multiple functional areas 241 being formed in aluminium foil layer 233.In the present embodiment, multiple functional areas 241 include upper Functional areas 241U, lower functional areas 241D, left functional areas 241L and right functional areas 241R, left functional areas 241L and right functional areas 241R is in bulk and is symmetrical arranged, and left functional areas 241L and right functional areas 241R is roughly the same square block in the present embodiment Shape, upper functional areas 241U and lower functional areas 241D are in a strip shape, and upper functional areas 241U and lower functional areas 241D is big in the present embodiment Identical rectangular strip is caused, and is distributed between left functional areas 241L and right functional areas 241R.

In addition in the present embodiment, key sensor further includes the multiple pins 242 being formed in aluminium foil layer 233, multiple Correspondence is connect by multiple leads 243 with multiple functional areas 241 pin 242 respectively.In the present embodiment, the shape of multiple pins 242 Shape is identical, is roughly the same square, and array arrangement, e.g. proper alignment are in the same of right functional areas 241R Side.It is understood that the position of multiple pins 242 can be not limited to be arranged in the side of right functional areas 241R, it can also root According to multiple functional areas 241 arrangement mode and with the link position reasonable Arrangement of the flexible PCB of display panel, such as also It can be arranged in the same side of left functional areas 241L.

When adhesive tape 230 combines attaching with panel body, the first insulating layer 231 of adhesive tape 230 is towards panel body, adhesive tape 230 second insulating layer 232 deviates from panel body, and at least partly flexible circuit board is located at the first insulating layer 231 and panel body Between.First insulating layer 231 includes multiple openings 251, multiple functional areas 241 of key sensor by multiple openings 251 with Flexible PCB connects.In the present embodiment, the position of multiple openings 251 is corresponding with the position of multiple pins 242 respectively, Duo Gekai Mouthfuls 251 can be the shapes such as round, rectangular, and multiple openings 251 are side corresponding with 242 shape of multiple pins in the present embodiment Shape, size can be slightly less than the size of pin 242 so that multiple pins 242 at least partly expose.When attaching, multiple pins 242 It exposure and is connect with flexible PCB by viscous conductive glue at multiple openings 251, realization is embedded in the button of adhesive tape 230 Sensor is electrically connected with the flexible PCB outside adhesive tape 230.

Multiple functional areas 241, multiple pins 242 and multiple leads 243 are conductive material, can pass through patterning The formation of aluminium foil layer 233, further, the aluminium foil of each functional areas 241 and its connected lead 241, pin 242 and respective periphery Between there is gap so that each functional areas 241 and its connected lead 241, pin 242 independently of periphery aluminium foil.It is embedded Can directly it exist in multiple functional areas 241 of the key sensor in aluminium foil layer 233, multiple pins 242 and multiple leads 243 It is formed by etching technics on the aluminium foil layer 233 of full wafer.Wherein in etching process, double end cutter technique may be used, from And each functional areas 241 and its connected lead 241, pin 242 and the aluminium foil on periphery is made to be separated there are gap.

Adhesive tape 230 according to second embodiment, it includes the multiple functional areas being formed in aluminium foil layer 233 that key sensor, which removes, Further include the multiple pins 242 for being formed in aluminium foil layer 233 outside 241, multiple pins 242 are corresponding respectively to pass through multiple leads 243 It is connect with multiple functional areas 241, the positions of multiple openings 251 on the first insulating layer 231 position with multiple pins 242 respectively Corresponding, multiple pins 242 are exposed at multiple openings 251 and connect with flexible PCB by viscous conductive glue.It is multiple to draw Shape, arrangement mode of foot 242 etc. can match with flexible PCB, and the arrangement of multiple functional areas 241 will be more free, To the diversity of abundant button setting.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

It is as described above according to the embodiments of the present invention, these embodiments there is no all details of detailed descriptionthe, The specific embodiment that the utility model is only described is not limited yet.Obviously, as described above, many modification and change can be made Change.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the principles of the present invention and actually to answer With to enable skilled artisan to utilize the utility model and repairing on the basis of the utility model well Change use.The utility model is limited only by the claims and their full scope and equivalents.

Claims (10)

1. a kind of display panel, including panel body, be electrically connected with the panel body flexible PCB, with the flexible electrical The key sensor of road plate electrical connection and the adhesive tape for surrounding the panel body at least partly edge, the adhesive tape will at least portions The flexible PCB and at least partly described key sensor is divided to fix, which is characterized in that the adhesive tape is sandwich, The key sensor is embedded in the interlayer of the adhesive tape.

2. display panel according to claim 1, which is characterized in that the adhesive tape includes the first insulating layer, the second insulation Layer and the aluminium foil layer being folded between first insulating layer and the second insulating layer, the key sensor are embedded in institute It states in aluminium foil layer.

3. display panel according to claim 2, which is characterized in that the key sensor includes being formed in the aluminium foil Multiple functional areas in layer.

4. display panel according to claim 3, which is characterized in that each functional areas in the multiple functional areas and its There is gap between the aluminium foil on periphery.

5. display panel according to claim 3, which is characterized in that the multiple functional areas include upper functional areas, lower work( Can area, left functional areas and right functional areas, the left functional areas and the right functional areas in blocky and be symmetrical arranged, it is described on Functional areas and the lower functional areas are in a strip shape and be distributed between the left functional areas and the right functional areas.

6. display panel according to claim 3, which is characterized in that first insulating layer of the adhesive tape is towards described The second insulating layer of panel body, the adhesive tape deviates from the panel body, and at least partly described flexible PCB is located at Between first insulating layer and the panel body.

7. display panel according to claim 6, which is characterized in that first insulating layer includes multiple openings, described The multiple functional areas of key sensor are connect by the multiple opening with the flexible PCB.

8. display panel according to claim 7, which is characterized in that the position of the multiple opening respectively with it is the multiple The positions of functional areas corresponds to, the multiple functional areas the multiple opening expose portion by viscous conductive glue with it is described Flexible PCB connects.

9. display panel according to claim 7, which is characterized in that the key sensor further includes being formed in the aluminium Multiple pins in layers of foil, correspondence is connect by multiple leads with the multiple functional areas the multiple pin respectively, described more The position of a opening is corresponding with the position of the multiple pin respectively, the multiple pin the multiple opening exposure and It is connect with the flexible PCB by viscous conductive glue.

10. display panel according to claim 9, which is characterized in that the shape of the multiple pin is identical, and array Arrangement.