CN211015439U

CN211015439U - Touch display module

Info

Publication number: CN211015439U
Application number: CN201921863609.6U
Authority: CN
Inventors: 贺建文
Original assignee: Fuzhou Lianchuang Electronic Co ltd
Current assignee: Fuzhou Lianchuang Electronic Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-14
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a touch-control display module assembly, including the touch-sensitive screen and with the FPC board that the touch-sensitive screen is connected, the back of touch-sensitive screen is equipped with the stiffening plate, the stiffening plate respectively with the touch-sensitive screen with the earthing terminal electric connection of FPC board, be equipped with the conducting layer on the FPC board, the conducting layer is pasted and is established the stiffening plate with between the FPC board, the conducting layer include connecting portion and with the extension that connecting portion are connected, the extension is pasted and is established the stiffening plate with between the earthing terminal of FPC board, the extension is used for increase earthing terminal after the FPC board is buckled with area of contact between the stiffening plate. The utility model discloses a design of extension, effectual improvement the stiffening plate with area of contact between the earthing terminal on the FPC board, make and improved the touch-sensitive screen with area of contact between the earthing terminal between the FPC board, and then can effectually play the dissipation effect to the static that the dyestripping produced, improved touch-control display module's quality.

Description

Touch display module

Technical Field

The utility model relates to a display module assembly technical field, in particular to touch-control display module assembly.

Background

The touch display module is used as a human-computer interaction module and is increasingly widely applied to electronic terminals such as mobile phones, tablet computers and personal computers. In the production process of the touch module, the use of the oncell structure is particularly frequent, the oncell structure is a method for embedding the touch screen between the color filter substrate and the polarizer of the display screen, namely, the touch sensor is arranged on the display panel, so that the touch display module does not need to use an external touch panel component, and the operation of a user is facilitated.

In the use process of the existing touch display module, the oncell structure does not need key silver paste, so that static electricity generated in the film tearing process can be discharged only through the grounding end of the interface end of the touch screen, but only one pin with the width of 0.4MM is connected with the grounding end of the FPC in general due to the grounding end line of the interface end of the touch screen, so that the static electricity generated in the film tearing process of the oncell structure is larger, and the quality of the touch display module is further reduced.

SUMMERY OF THE UTILITY MODEL

Based on this, the present invention provides a touch display module capable of effectively dissipating static electricity generated by a film tearing.

The utility model provides a touch-control display module assembly, including the touch-sensitive screen and with the FPC board that the touch-sensitive screen is connected, the back of touch-sensitive screen is equipped with the stiffening plate, the stiffening plate respectively with the touch-sensitive screen with the earthing terminal electric connection of FPC board, be equipped with the conducting layer on the FPC board, the conducting layer is pasted and is established the stiffening plate with between the FPC board, the conducting layer include connecting portion and with the extension that connecting portion are connected, the extension paste establish the stiffening plate with between the earthing terminal of FPC board, the extension is used for increase earthing terminal after the FPC board is buckled with area of contact between the stiffening plate.

According to the touch display module, through the design of the extending part, the contact area between the reinforcing plate and the ground terminal on the FPC board is effectively increased, so that the contact area between the touch screen and the ground terminal between the FPC board is increased, the static electricity generated by the tear film can be effectively dissipated, and the quality of the touch display module is improved.

Furthermore, a connecting plate is arranged between the touch screen and the FPC board, and the tail end of the connecting plate is electrically connected with the grounding end of the FPC board.

Further, be equipped with one at least on the stiffening plate and dodge the hole, it is used for to dodge the hole the touch-sensitive screen with pencil between the FPC board dodges.

Furthermore, a copper foil is attached to the surface of the grounding end on the FPC board.

Further, avoidance grooves are formed in two sides of the connecting plate and face towards the inner portion of the connecting plate in a concave mode.

Further, the conducting layer dorsad one side of FPC board is equipped with from the type membrane, be equipped with on the type membrane and tear the hand.

Further, the conducting layer is made of conducting double-sided adhesive tape.

Further, the thickness of the conducting layer is 0.05 mm.

Furthermore, the FPC board is provided with at least one device bearing part, and high-temperature glue is arranged in the device bearing part.

Further, a connector is arranged at the tail end of the FPC board.

Drawings

Fig. 1 is a schematic structural diagram of a touch display module according to a first embodiment of the present invention;

fig. 2 is a schematic view of a back structure of the touch display module in fig. 1;

FIG. 3 is a schematic structural view of the touch screen and the FPC board of FIG. 1 after being assembled by bending;

fig. 4 is a schematic structural diagram of a touch display module according to a second embodiment of the present invention;

description of the symbols of the main elements

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 3, a first embodiment of the present invention provides a touch display module 100, including a touch screen 10 and an FPC board 11 connected to the touch screen 10, the back of the touch screen 10 is provided with a reinforcing plate 12, the reinforcing plate 12 is made of a steel plate material, the reinforcing plate 12 is used for increasing the strength of the touch screen 10, the reinforcing plate 12 is respectively electrically connected to the touch screen 10 and the ground terminal of the FPC board 11, thereby effectively reducing the static electricity of the tear film.

In this embodiment, be equipped with conducting layer 13 on FPC board 11, conducting layer 13 adopts electrically conductive double faced adhesive tape to make, the thickness of conducting layer 13 is 0.05mm, conducting layer 13 pastes to be established stiffening plate 12 with between the FPC board 11, and then the effectual improvement FPC board 11 buckle the back with structural strength between the stiffening plate 12, preferably, conducting layer 13 include connecting portion 131 and with extension 132 that connecting portion 131 is connected, extension 132 pastes to be established stiffening plate 12 with between the earthing terminal of FPC board 11, extension 132 is used for increasing the earthing terminal after FPC board 11 buckles with area of contact between the stiffening plate 12, and then the effectual improvement touch-sensitive screen 10 with the area of contact of earthing terminal between FPC board 11 has played the dissipation effect to tear film static.

Preferably, in this embodiment, the touch screen 10 and the FPC board 11 are provided with a connecting plate 14 therebetween, the end of the connecting plate 14 is electrically connected to the ground terminal of the FPC board 11, and through the design of the connecting plate 14, the stability of the structure between the touch screen 10 and the FPC board 11 is effectively improved, so that the dropping phenomenon of the FPC board 11 is prevented, and the FPC board 11 has a fixed bearing effect during the bending process.

In this embodiment, at least one dodging hole is formed in the reinforcing plate 12, the dodging hole is used for dodging the touch screen 10 and the wiring harness between the FPC boards 11, dodging grooves are formed in two sides of the connecting plate 14, the dodging grooves face the inner portion of the connecting plate 14 is sunken, and through the design of the dodging grooves, the FPC boards 11 and the bending between the touch screens 10 are effectively guaranteed to be fixed.

In addition, in this embodiment, be equipped with at least one device bearing part on the FPC board 11, be equipped with high temperature in the device bearing part and glue, lead to the design that high temperature glued, the effectual improvement the stability of structure between the electronic device on the FPC board 11, the surface subsides of the last earthing terminal of FPC board 11 are equipped with the copper foil, the end of FPC board 11 is equipped with connector 15, through connector 15's design, the effectual assurance the FPC board with electric connection between the touch-sensitive screen 10, preferably, the end of FPC board 11 with still be equipped with fixed film 16 between the stiffening plate 12, fixed film 16 be used for right the end of FPC board 11 reaches connector 15 carries out the rigidity, in order to improve connector 15 with the stability of structure between the touch-sensitive screen 10.

In this embodiment, through the design of the extension portion 132, the contact area between the reinforcing plate 12 and the ground terminal on the FPC board 11 is effectively increased, so that the contact area between the touch screen 10 and the ground terminal on the FPC board 11 is increased, and then the static electricity generated by the tear film can be effectively dissipated, thereby improving the quality of the touch display module 100.

Please refer to fig. 4, which is a schematic structural diagram of a touch display module 100 according to a second embodiment of the present invention, the second embodiment is substantially the same as the first embodiment, and the difference is that in this embodiment, one side of the conductive layer 13 facing away from the FPC board 11 is provided with a release film 17, the release film 17 is provided with a tearing handle 18, the tearing handle 18 faces away from the FPC board 11, through the design of the release film 17, the adsorption of dust on the conductive layer 13 is effectively prevented, the adhesion effect of the conductive layer 13 is ensured, and through the design of the tearing handle 18, the adhesion between the conductive layer 13 and the touch screen 10 is effectively facilitated.

The above-described embodiments describe the technical principles of the present invention, and these descriptions are only for the purpose of explaining the principles of the present invention, and should not be interpreted as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a touch-control display module assembly, including the touch-sensitive screen and with the FPC board that the touch-sensitive screen is connected, its characterized in that: the back of touch-sensitive screen is equipped with the stiffening plate, the stiffening plate respectively with the touch-sensitive screen with the earthing terminal electric connection of FPC board, be equipped with the conducting layer on the FPC board, the conducting layer pastes to be established the stiffening plate with between the FPC board, the conducting layer include connecting portion and with the extension that connecting portion are connected, the extension pastes to be established the stiffening plate with between the earthing terminal of FPC board, the extension is used for increase earthing terminal after the FPC board buckles with area of contact between the stiffening plate.

2. The touch display module of claim 1, wherein: the touch screen with be equipped with the connecting plate between the FPC board, the terminal of connecting plate with the earthing terminal electric connection of FPC board.

3. The touch display module of claim 2, wherein: at least one avoidance hole is formed in the reinforcing plate and used for avoiding the wiring harness between the touch screen and the FPC board.

4. The touch display module of claim 1, wherein: and a copper foil is adhered to the surface of the grounding end on the FPC board.

5. The touch display module of claim 2, wherein: avoidance grooves are formed in two sides of the connecting plate and face towards the inner portion of the connecting plate.

6. The touch display module of claim 1, wherein: the conducting layer dorsad one side of FPC board is equipped with from the type membrane, be equipped with on the type membrane and tear the hand.

7. The touch display module of claim 1, wherein: the conducting layer is made of conducting double-sided adhesive tape.

8. The touch display module of claim 7, wherein: the thickness of the conducting layer is 0.05 mm.

9. The touch display module of claim 1, wherein: the FPC board is provided with at least one device bearing part, and high-temperature glue is arranged in the device bearing part.

10. The touch display module of claim 1, wherein: and a connector is arranged at the tail end of the FPC board.