CN211349328U

CN211349328U - Capacitive touch screen

Info

Publication number: CN211349328U
Application number: CN201922267900.3U
Authority: CN
Inventors: 杨辉
Original assignee: Shenzhen Aijia Touch Technology Co ltd
Current assignee: Shenzhen Aijia Touch Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-25
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a capacitive touch screen, including the screen body, back one side of the screen body is provided with the FPC flexbile plate, the tail end of FPC flexbile plate is provided with circuit connector, FPC flexbile plate front portion is provided with the reinforcement district, the surface in reinforcement district is provided with IC, the double faced adhesive tape is pasted at the back of FPC flexbile plate and is pressed close to the apron, the back of FPC flexbile plate outside is equipped with waterproof glue layer, a thread gluing height of FPC flexbile plate and bonding region point of the screen body is no longer than the sensor face, the utility model relates to a touch-sensitive screen technical field. This capacitive touch screen has solved the glass substrate structural strength who uses at present and has hanged down, breaks easily under the condition of striking, falling easily, and the security is lower, increases the maintenance cost, and thickness is thicker, influences the whole thickness of cell-phone easily, is unfavorable for the problem of the frivolous design of cell-phone.

Description

Capacitive touch screen

Technical Field

The utility model relates to a touch-sensitive screen technical field specifically is a capacitive touch screen.

Background

In recent years, with the rapid development and application of information technology, wireless mobile communication and information appliances, people's dependence on electronic products is increasing day by day, and in order to achieve the purposes of more convenience, lighter volume and more humanization, many information products have been changed from the traditional keyboard or mouse as an input device to the touch screen arranged in front of a display screen as an input device, the existing touch screen can be roughly classified into capacitive type, resistive type, photosensitive type, and the like, and the capacitive touch screen has the characteristics of high transmittance and unnecessary force for touch pressure application compared with other screens, and can resist the harsh external environment, for example: water, temperature variation, humidity, so long service life, the while of during operation can also realize a plurality of touch points is surveyed, and the operation is used more humanized. However, the currently used glass substrate has low structural strength, is easy to break under the conditions of impact and falling, has low safety, increases the maintenance cost, has thick thickness, easily influences the overall thickness of the mobile phone, and is not beneficial to the light and thin design of the mobile phone.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a capacitive touch screen has solved the glass substrate structural strength who uses at present and has hanged down, breaks easily under the circumstances of striking, falling, and the security is lower, increases the maintenance cost, and thickness is thicker, influences the whole thickness of cell-phone easily, is unfavorable for the problem of the frivolous design of cell-phone.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a capacitive touch screen, includes the screen body, back one side of the screen body is provided with the FPC flexbile line, the tail end of FPC flexbile line is provided with circuit connector, FPC flexbile line front portion is provided with the reinforcement district, the surface in reinforcement district is provided with IC, the back of FPC flexbile line is pasted the double faced adhesive tape and is pressed close to the apron, the back of FPC flexbile line is equipped with the waterproof glue layer in the outside, a banning regional point a thread of glue of FPC flexbile line and the screen body highly is no longer than the sensor face.

Preferably, the positive upper portion of the screen body is provided with the transparent hole of camera, through-hole, the transparent hole of flash light respectively, and corresponds the position dorsal part and be provided with dustproof protection film, the outside in the transparent hole of flash light is provided with the white counterpoint line of silk screen printing, the positive lower part of the screen body is provided with button silk screen printing district, button silk screen printing district is the silver-colored lighttight of silk screen printing mirror surface.

Preferably, the positive middle part of the screen body is provided with the transparent region of window, the base colour in the transparent region of window is the opaque printing ink of silk screen printing black, and printing ink adopts double-deck printing to pile up, the toughened glass material of the screen body adopts the second generation glass of the glass blue or green of glass of the glass.

Preferably, the front of the screen body is provided with a front protection film and is an anti-static protection film, the back of the screen body is provided with a blue back protection integrated tearing hand, and the upper part of the blue back protection integrated tearing hand is provided with a back protection tearing hand belt adhesive area.

Preferably, the two sides of the FPC flexible board are both provided with grounding copper exposure, and the bending parts of the FPC flexible board are both subjected to softening treatment.

Preferably, the IC is dispensed with black curing glue, the dispensing thickness cannot exceed the thickness of the IC, and a high-temperature insulating film is attached to the device area.

(III) advantageous effects

The utility model provides a capacitive touch screen. Has the following beneficial effects:

this capacitive touch screen, through the second generation glass screen body of the blue or green glass of the glass.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an installation front view of the present invention;

FIG. 4 is an enlarged view of the structure A of the present invention;

FIG. 5 is a schematic view of an ink stack according to the present invention;

FIG. 6 is a schematic view of the dispensing structure of the present invention;

fig. 7 is a schematic diagram of the circuit port connection according to the present invention.

In the figure: the novel multifunctional screen comprises a screen body 1, a FPC (flexible printed circuit) 2, a circuit connector 3, a reinforcing area 4, an IC5, a double-faced adhesive tape close cover plate 6, a waterproof adhesive layer 7, a camera transparent hole 8, a through hole 9, a dustproof protective film 10, a dustproof protective film 11, a silk-screen white alignment line 12, a key silk-screen area 13, a window transparent area 14, a front protective film 15, a blue back protection integrated tearing hand, a back protection tearing hand tape adhesive area 17 and a grounding copper exposure 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a capacitive touch screen comprises a screen body 1, wherein an FPC flexible board 2 is arranged on one side of the back of the screen body 1 to realize a capacitive touch screen, a circuit connector 3 is arranged at the tail end of the FPC flexible board 2 to realize external circuit connection and facilitate detection and use of the touch screen, a reinforcement area 4 is arranged at the front of the FPC flexible board 2 to improve structural strength, an IC5 is arranged on the surface of the reinforcement area 4 to realize internal circuit processing, a double-faced adhesive tape is pasted on the back of the FPC flexible board 2 to be close to a cover plate 6, a waterproof adhesive layer 7 is arranged on the outermost side of the back of the FPC flexible board 2 to facilitate adhesion and water prevention, the adhesive height of a bonding area point and a line of the FPC flexible board 2 and the screen body 1 is not more than that of a sensor surface, the thickness of the touch screen is reduced, a camera transparent hole 8, a through hole 9 and a flash lamp transparent hole 10 are respectively arranged on the upper part of the front of the screen body 1, a dustproof protective film 11 is, the touch screen is convenient to attach and align, a key screen printing area 13 is arranged on the lower portion of the front face of the screen body 1, the key screen printing area 13 is screen printing mirror silver opaque, a window transparent area 14 is arranged in the middle of the front face of the screen body 1 to meet structural design, the background color of the window transparent area 14 is screen printing black opaque ink, the ink adopts double-layer printing stacking to realize capacitive conduction, the double-layer stacking ensures uniformity, the toughened glass material of the screen body 1 adopts Asahi glass, blue glass, second-generation glass and glass, the whole thickness is 0.7mm, the structural strength is improved, the touch anti-falling and anti-collision effects are increased, a front protective film 15 is arranged on the front face of the screen body 1 and is an anti-static protective film to realize anti-static protection of the touch screen, a blue back protection integrated tearing hand 16 is arranged on the back face of the screen body 1, a back protection tearing glue area 17 is arranged on the upper portion, the two sides of the FPC flexible board 2 are provided with grounding exposed copper 18, circuit grounding connection is facilitated, the bending positions of the FPC flexible board 2 are softened, the bending effect of the FPC is improved, use safety is improved, black curing glue is arranged at the point of IC5, the glue dispensing thickness cannot exceed that of IC5, the thickness of a touch screen is reduced, a high-temperature insulating film is pasted in a device area, and device protection is achieved.

When the portable electronic device is used, the dustproof protective film 11 and the blue back protection integrated tearing handle 16 are taken out, then are attached and fixed with a screen assembly frame, and after compaction and defoaming, external circuit connection is carried out through the FPC tail end circuit connector 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A capacitive touch screen comprises a screen body (1), and is characterized in that: the back one side of the screen body (1) is provided with FPC flexbile plate (2), the tail end of FPC flexbile plate (2) is provided with circuit connector (3), FPC flexbile plate (2) front portion is provided with reinforcement district (4), the surface in reinforcement district (4) is provided with IC (5), apron (6) are pressed close to the double faced adhesive tape to the back subsides of FPC flexbile plate (2), the back outside of FPC flexbile plate (2) is equipped with waterproof adhesive layer (7), FPC flexbile plate (2) highly is no longer than the sensor face with a thread of regional point of nation of the screen body (1).

2. A capacitive touch screen according to claim 1, wherein: the screen is characterized in that the upper portion of the front of the screen body (1) is provided with a camera transparent hole (8), a through hole (9) and a flash lamp transparent hole (10) respectively, a dustproof protective film (11) is arranged on the back side of the corresponding position, the outer side of the flash lamp transparent hole (10) is provided with a silk-screen white alignment line (12), the lower portion of the front of the screen body (1) is provided with a key silk-screen area (13), and the key silk-screen area (13) is silver-colored and opaque and is a silk-screen mirror surface.

3. A capacitive touch screen according to claim 1, wherein: the positive middle part of the screen body (1) is provided with window transparent area (14), the base colour of window transparent area (14) is silk screen printing black opaque printing ink, and printing ink adopts double-deck printing to pile up, the toughened glass material of the screen body (1) adopts the second generation glass of the blue or green glass of the.

4. A capacitive touch screen according to claim 1, wherein: the front of the screen body (1) is provided with a front protective film (15) and is an anti-static protective film, the back of the screen body (1) is provided with a blue back protection integrated tearing hand (16), and the upper part of the blue back protection integrated tearing hand (16) is provided with a back protection tearing hand adhesive tape area (17).

5. A capacitive touch screen according to claim 1, wherein: the two sides of the FPC flexible board (2) are both provided with grounding copper exposure (18), and the bending parts of the FPC flexible board (2) are both subjected to softening treatment.

6. A capacitive touch screen according to claim 1, wherein: and black curing glue is dispensed on the IC (5), the dispensing thickness cannot exceed the thickness of the IC (5), and a high-temperature insulating film is attached to the device area.