CN217133684U

CN217133684U - Touch screen and electronic equipment

Info

Publication number: CN217133684U
Application number: CN202220535481.6U
Authority: CN
Inventors: 徐洪滨
Original assignee: Zhejiang Lianxinkang Technology Co ltd
Current assignee: Zhejiang Lianxinkang Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-05
Anticipated expiration: 2032-03-10

Abstract

The utility model provides a touch-sensitive screen and electronic equipment, this touch-sensitive screen including range upon range of apron, function piece that sets up and by master control FPC board and the button FPC board that extend at function piece both ends, the function piece attached in the inboard of apron, button FPC board with master control FPC board respectively with the passageway nation that the function piece corresponds, leave the button touch-control district on the button FPC board, the button touch-control district corresponds the setting of button position. The utility model provides a touch-sensitive screen arranges the one end of keeping away from master control FPC board in the function piece through setting up button FPC board to make the button touch-control district of button FPC board extend the below of function piece, compare in with the range upon range of assembly of button on the function piece, the effectual space that promotes the button assembly, make arranging of button more convenient.

Description

Touch screen and electronic equipment

Technical Field

The utility model relates to a touch-sensitive screen technical field, in particular to touch-sensitive screen and electronic equipment.

Background

Under the background of rapid development of electronic technology, portable electronic devices are changing in the directions of lightness, thinness, smallness, etc., and applied touch screens are also rapidly developing. With the development of touch screen applications and the pursuit of improvement of customer experience, the requirements of the whole machine on the touch screen are continuously raised, and the requirements on the design of the touch screen are higher and higher. How to achieve better performance by design in the case of a fixed structure.

The existing touch screen is wired through the functional sheet, leads are led to an upper end main control FPC board and an IC channel, and key touch is achieved.

However, the touch screen is assembled in the above manner, so that the total assembly thickness of the functional sheets exceeds 0.4mm, and the touch screen is relatively thick, so that the occupied space area is large, and the assembly effect is influenced by the total assembly thickness of the functional sheets at the lower end of the whole stacking process of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a touch-sensitive screen reduces the function piece and assembles in the thickness that the button goes out to solve the problem that the assembly thickness of current touch-sensitive screen function piece is too big and influence the button assembly.

The utility model provides a following technical scheme, a touch-sensitive screen, including apron, function piece, main control FPC board and button FPC board, the function piece attach in the inboard of apron, the main control FPC board with the button FPC board set up respectively with the both ends of function piece, the button FPC board with the main control FPC board respectively with the passageway bonding that the function piece corresponds, leave the button touch-control district on the button FPC board, the button touch-control district is used for assembling touch key.

Compared with the prior art, the beneficial effects of the utility model are that: arrange in the one end that the master control FPC board was kept away from to the function piece through the button FPC board that sets up, and make the button touch-control district of button FPC board extend the below of function piece, walk the line (lead wire extends along function piece edge) mode on adopting the button FPC board, it is connected to correspond the passageway on the function piece with the button FPC board bonding, lead wire to upper end master control FPC board, again with button FPC board with fixed laminating in corresponding button department, button FPC board and with be used for adhesion button FPC board the gum thickness sum can accomplish 0.15mm, and the thickness of function piece is 0.4mm, compare in with the range upon range of assembly of button on the function piece, the effectual space that promotes the button assembly, make the arrangement of button more convenient.

Further, the utility model provides a touch-sensitive screen still has following additional technical characterstic:

preferably, the both ends of function piece are equipped with silver finger, the button FPC board with master control FPC board is equipped with the golden finger, the golden finger with the crimping of silver finger forms bonding area.

Preferably, the bonding area is far away from one side of the cover plate and is provided with an anti-oxidation layer, and the anti-oxidation layer is made of silicon dioxide.

Preferably, the functional sheet and the cover plate are bonded by OCA optical cement.

Preferably, the functional sheet is an ITO Glass Sensor.

Preferably, two side faces of the key FPC board are coated with back glue respectively, and the key FPC board is bonded with the cover plate and the keys through the back glue respectively.

Preferably, the back adhesive is 3M adhesive.

The utility model also provides an electronic equipment, be equipped with above-mentioned touch-sensitive screen on the electronic equipment, assemble this touch-sensitive screen, optimized the button assembly space of this electronic equipment touch-sensitive screen, reduced the assembly degree of difficulty of button.

Drawings

Fig. 1 is a schematic structural diagram of a touch screen according to an embodiment of the present invention;

fig. 2 is a schematic side view of a touch panel according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure of portion I of FIG. 1;

fig. 4 is a schematic structural view of the key FPC board in fig. 1.

Description of the main elements

Cover plate	11	Functional sheet	12
				Master control FPC board	13	FPC board of key	14
Key touch control area	141	Back adhesive	142
				Golden finger	15	Binding region	20

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the first embodiment of the present invention, as shown in fig. 1 to 4, a touch panel includes a cover plate 11, a functional sheet 12, a main control FPC board 13, and a key FPC board 14.

Wherein, the functional sheet 12 is attached to the inner side surface of the cover plate 11, and the main control FPC board 13 and the key FPC board 14 are respectively arranged at the upper end and the lower end of the functional sheet 12. Specifically, the main control FPC board 13 and the key FPC board 14 are both provided with gold fingers 15, the functional sheet 12 is provided with silver fingers (not shown) at positions corresponding to the gold fingers, and the two are crimped to form a bonding area 20, so that the main control FPC board 13 and the key FPC board 14 are electrically connected to the functional sheet (the lead extends along the edge of the functional sheet). And a key touch area 141 is left on the key FPC board 14, and the key touch area 141 is used for assembling a touch key. Compared with the prior art, the beneficial effects of the utility model are that: through setting up the mode that button FPC board 14 is by function piece downwardly extending, it is connected to correspond the passageway on the function piece with the bonding of button FPC board, lead wire to upper end main control FPC board 13, again with 14 fixed laminating of button FPC board in corresponding button department, 0.15mm can be accomplished with the thickness sum with the gum that is used for adhesion button FPC board to the button FPC board, compare in traditional function piece 0.4 mm's thickness, compare in with the range upon range of assembly of button on the function piece, the effectual space that promotes the button assembly, make arranging of button more convenient.

Preferably, an anti-oxidation layer (not shown) is disposed on the binding region 20, and specifically, the anti-oxidation layer is disposed on a surface of the binding region away from the cover plate, and the material of the anti-oxidation layer is silica. The bonding material has stable chemical properties, is insoluble in water and has good heat resistance, and can ensure that the electrical connection of the bonding region has good stability.

Preferably, in the embodiment of the present invention, the functional sheet 12 and the cover plate 11 are bonded by an OCA (optical Clear adhesive) (not shown), and the functional sheet 12 and the cover plate 11 are bonded by using the OCA, so that the light transmittance of the bonded portion can reach 90% or more, and the functional sheet has characteristics of easy curing at room temperature and small curing shrinkage. The adhesion effect of the functional sheet 12 and the cover sheet 11 and the image forming effect of the touch screen are ensured.

Preferably, in the embodiment of the present invention, the functional sheet 12 is an ITO Glass Sensor, which is an n-type semiconductor material and has high electrical conductivity, high visible light transmittance, high mechanical hardness and good chemical stability. It is the most commonly used thin film material for transparent electrodes of Liquid Crystal Displays (LCDs), Plasma Displays (PDPs), electroluminescent displays (EL/OLEDs), touch screens, solar cells, and other electronic instruments.

Preferably, two side surfaces of the key FPC board 14 are coated with back adhesives 142, and the key FPC board 14 is bonded to the cover plate 11 and the keys through the back adhesives 142. The key FPC board 14 is fixedly attached to the corresponding key through the double-sided back adhesive 142, so that the thickness space of the key area is reduced, key touch is realized, space is made for the whole structure stacking design of the touch screen, and assembly is facilitated.

Further, the adhesive 142 is a 3M adhesive to adhere the key FPC board 14, and the 3M adhesive provides better adhesiveness, temperature resistance and adhesion at the bonding site.

The utility model also provides an electronic equipment, specific this electronic equipment can be a cell-phone, flat board, on-vehicle well accuse display etc. and so on, through with the touch-sensitive screen integrate in on the electronic equipment to make this electronic equipment's display screen have as above technical characterstic.

To sum up, the utility model provides a touch screen, through bonding key FPC board 14 to the corresponding passageway on the function piece 12 and be connected, lead to upper end master control FPC board 13, and then fixedly laminate key FPC board 14 in corresponding button department, the thickness of key FPC board 14 and glue can accomplish 0.15mm, compares with the thickness of traditional function piece 0.4mm, has greatly reduced this thickness space of pressing the key region, has effectively promoted the assembly space to this button; the bonding area 20 is provided with the anti-oxidation layer, so that the electric connection of the bonding area 20 is ensured to have good stability; the bonding effect of the functional sheet 12 and the cover plate 11 and the imaging effect of the touch screen are ensured by bonding the functional sheet 12 and the cover plate 11 through the OCA optical cement.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a touch screen, its characterized in that, includes apron, function piece, main control FPC board and button FPC board, the function piece attached in the inboard of apron, main control FPC board with button FPC board set up respectively with the both ends of function piece, button FPC board with main control FPC board respectively with the passageway bonding that the function piece corresponds, leave the button touch-control district on the button FPC board, the button touch-control district is used for assembling the touch-control button.

2. The touch screen of claim 1, wherein silver fingers are arranged at two ends of the functional sheet, gold fingers are arranged on the key FPC board and the main control FPC board, and the gold fingers and the silver fingers are in compression joint to form a bonding area.

3. The touch screen of claim 2, wherein an oxidation protection layer is disposed on a surface of the bonding area away from the cover plate, and the oxidation protection layer is made of silicon dioxide.

4. The touch screen of claim 1, wherein the functional sheet and the cover sheet are bonded by OCA optical cement.

5. The touch screen of claim 1, wherein the functional sheet is an ITO Glass Sensor.

6. The touch screen of claim 1, wherein two sides of the key FPC board are coated with a back adhesive respectively, and the key FPC board is bonded to the cover board and the keys respectively through the back adhesive.

7. The touch screen of claim 6, wherein the adhesive backing is a 3M adhesive.

8. An electronic device, characterized in that the electronic device is equipped with a touch screen according to any one of claims 1-7.