CN211180469U

CN211180469U - Liquid crystal touch screen assembly

Info

Publication number: CN211180469U
Application number: CN201922268499.5U
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: 2020-08-04
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a liquid crystal touch screen assembly, including the touch-sensitive screen main part, the touch-sensitive screen main part includes touch-sensitive screen apron and touch-sensitive screen base plate, and the touch-sensitive screen apron is located touch-sensitive screen base plate top, the flexible circuit board main part is installed to touch-sensitive screen base plate below, the flexible circuit board main part includes first link, the district of buckling and second link, link to each other through scribbling the silicone rubber between first link and the touch-sensitive screen base plate, the welding of first link one side has IC, first link surface and IC surface all bond there is insulating protection paper, the utility model relates to a touch-sensitive screen technical field. This liquid crystal touch screen subassembly can strengthen the intensity of the flexible circuit board of liquid crystal touch screen when buckling to make the location of the flexible circuit board of liquid crystal touch screen more accurate convenient, can effectively avoid static to IC's damage simultaneously, promote IC's life and performance, promote the life of liquid crystal touch screen subassembly.

Description

Liquid crystal touch screen assembly

Technical Field

The utility model relates to a touch-sensitive screen technical field specifically is a liquid crystal touch screen subassembly.

Background

The touch screen is also called as touch screen or touch panel, and is an inductive liquid crystal display device capable of receiving input signals of a touch head and the like, when a graphical button on the screen is touched, a touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, so that the touch screen can be used for replacing a mechanical button panel, and vivid video and audio effects can be produced by a liquid crystal display picture.

The flexible circuit board of the liquid crystal touch screen is difficult to bend and is easy to break when being bent in the transportation or use process, the problem of inaccurate positioning is easy to occur when the flexible circuit board is assembled, and in addition, the flexible circuit board of the liquid crystal touch screen is easy to be influenced by static electricity in the actual production and transportation process, so that the flexible circuit board is greatly influenced in use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a liquid crystal touch screen subassembly has solved the problem of the invasion of current liquid crystal touch screen subassembly is difficult for buckling, location inaccurate and easily received static when assembling.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a liquid crystal touch screen assembly, includes the touch-sensitive screen main part, the touch-sensitive screen main part includes touch-sensitive screen apron and touch-sensitive screen base plate, and the touch-sensitive screen apron is located touch-sensitive screen base plate top, the flexible circuit board main part is installed to touch-sensitive screen base plate below, the flexible circuit board main part includes first link, district of buckling and second link, link to each other through scribbling the silicone rubber between first link and the touch-sensitive screen base plate, the welding of first link one side has IC, first link surface and IC surface all bond insulating protection paper, district of buckling top and below all install the net reinforcing plate, the one end grafting that the district of buckling was kept away from to the second link has the connector, the steel sheet reinforcing plate is installed to the connector outer wall, copper leakage connection status has all been seted up to first link back both sides and district back one side of buckling.

Preferably, the back of the touch screen substrate is provided with a first pair of bit lines, a second pair of bit lines and a conductive double-sided adhesive, the first pair of bit lines and the second pair of bit lines are both located above the conductive double-sided adhesive, and the first pair of bit lines is located above the second pair of bit lines.

Preferably, the touch screen cover plate comprises an outer frame, tempered glass and a polaroid, and the tempered glass is located between the outer frame and the polaroid.

Preferably, two-dimensional code label paper is bonded on the front face of the bending area.

Preferably, the periphery of the touch screen substrate is fixedly connected with a backlight strip iron frame.

Preferably, one side of the bending area is fixedly connected with a positioning sheet.

Preferably, the surface of the touch screen cover plate is evaporated with an AF film layer.

Advantageous effects

The utility model provides a liquid crystal touch screen subassembly. The method has the following beneficial effects:

(1) this liquid crystal touch screen subassembly, through all install the net reinforcing plate in district top of buckling and below and can the flexible circuit board main part buckle the intensity after the district of rolling over, prevent the easy impaired problem in position of buckling, it has the connector to peg graft through the one end of keeping away from the district of buckling at the second link to install the steel sheet reinforcing plate at the connector outer wall, can make things convenient for the erection joint work of flexible circuit board main part, can protect the connector simultaneously.

(2) The liquid crystal touch screen assembly can position the flexible circuit board main body through the first alignment line and the second alignment line when the flexible circuit board main body is bent through the arranged first alignment line, the second alignment line and the conductive double-sided adhesive, is convenient to install, and can be used for conveniently bonding the bottom end of the bent part of the flexible circuit board main body; copper leakage connection positions are arranged on the two sides of the back of the first connection end and one side of the back of the bending area, so that the touch screen can be conveniently grounded and conducted with the electric wire of the flexible circuit board, static electricity generated in the liquid crystal touch screen is effectively reduced, and the safety performance of the liquid crystal touch screen assembly is improved; insulation protection paper is bonded on the surface of the first connecting end and the surface of the IC, so that the damage of static electricity to the IC can be effectively avoided, and the service life and the use performance of the IC are prolonged.

Drawings

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

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

FIG. 3 is a back view of the overall structure of the present invention;

fig. 4 is a structure diagram of the bending of the flexible printed circuit board of the present invention;

fig. 5 is a schematic diagram of the touch screen cover plate structure of the present invention.

In the figure: 1. a touch screen main body; 2. a flexible circuit board main body; 3. a touch screen cover plate; 4. a touch screen substrate; 5. a first connection end; 6. a bending zone; 7. a second connection end; 8. coating silicone adhesive; 9. a grid reinforcing plate; 10. a connector; 11. a steel sheet reinforcing plate; 12. a first pair of bit lines; 13. a second pair of bit lines; 14. conducting double-sided adhesion; 15. an outer frame; 16. tempering the glass; 17. a polarizer; 18. a backlight tape frame; 19. positioning plates; 20. two-dimensional code label paper; 21. copper leakage is connected with a ground position; 22. IC; 23. and (4) insulating protective paper.

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. 1-5, the present invention provides a technical solution: a liquid crystal touch screen assembly comprises a touch screen main body 1, wherein the touch screen main body 1 comprises a touch screen cover plate 3 and a touch screen substrate 4, the touch screen cover plate 3 is positioned above the touch screen substrate 4, a flexible circuit board main body 2 is arranged below the touch screen substrate 4, the flexible circuit board main body 2 comprises a first connecting end 5, a bending area 6 and a second connecting end 7, the first connecting end 5 is connected with the touch screen substrate 4 through a silicone adhesive 8, an IC22 is welded on one side of the first connecting end 5, insulating protective paper 23 is bonded on the surface of the first connecting end 5 and the surface of an IC22, the damage of static electricity to the IC can be effectively avoided, the service life and the use performance of the IC are improved, grid reinforcing plates 9 are arranged above and below the bending area 6, the strength of the flexible circuit board main body after the bending area can be ensured, the problem that the bending part is easily damaged is avoided, a connector 10 is inserted into one end of the second connecting end 7, which is far, the outer wall of the connector 10 is provided with a steel sheet reinforcing plate 11 which can facilitate the connection of the flexible circuit board main body 2 and an external mainboard, meanwhile, the use of the steel sheet reinforcing plate 11 can protect the connector 10 and facilitate the installation work, both sides of the back of the first connecting end 5 and one side of the back of the bending area 6 are provided with copper leakage connection positions 21 which can facilitate the grounding conduction of wires of the touch screen and the flexible circuit board and effectively reduce static electricity generated in the liquid crystal touch screen, thereby improving the safety performance of a liquid crystal touch screen assembly, the back of the touch screen substrate 4 is provided with a first alignment line 12, a second alignment line 13 and a conductive double-sided adhesive 14, the first alignment line 12 and the second alignment line 13 are both positioned above the conductive double-sided adhesive 14, the first alignment line 12 is positioned above the second alignment line 13, the first alignment line 12 and the second alignment line 13 can position the flexible circuit board main, electrically conductive two-sided 14 the use of gluing can conveniently be bonded the flexible circuit board main part position bottom of buckling, touch-sensitive screen apron 3 includes frame 15, toughened glass 16 and polaroid 17, and toughened glass 16 is located between frame 15 and the

polaroid

17, 6 front bonds in bending zone have two-dimensional code label paper 20, 4 periphery border fixedly connected with back light band iron frame 18 of touch-sensitive screen base plate, 6 one side fixedly connected with spacer 19 in bending zone, 3 surface evaporation plates have the AF rete in touch-sensitive screen apron, can effectively play the desalination, decompose the visibility of fingerprint grease, play the effect of preventing the fingerprint.

When the flexible circuit board is in operation, the flexible circuit board main body 2 is arranged below the touch screen substrate 4, when the flexible circuit board main body 2 is bent, the bending area 6 and the second connecting end 7 of the flexible circuit board main body 2 are positioned and fixed through the first alignment line 12 and the second alignment line 13, the bottom end of the bending part of the flexible circuit board main body 2 can be bonded through the conductive double-sided adhesive 14, the connector 10 is inserted and connected through the end of the second connecting end 7 far away from the bending area 6, the connector 10 is AXE640124 in type, the flexible circuit board main body 2 can be conveniently connected with an external mainboard, the steel sheet reinforcing plate 11 arranged on the outer wall of the connector 10 can protect the connector 10 and facilitate installation, the touch screen can be conveniently conducted with the electric wire of the flexible circuit board by arranging the copper leakage connecting positions 21 on both sides of the back of the first connecting end 5 and on one side of the back of the bending area 6, static electricity generated in the liquid crystal touch screen is reduced, and the insulating protective paper 23 is bonded on the surface of the first connecting end 5 and the surface of the IC, so that the damage of the static electricity to the IC can be effectively avoided, and the service life and the use performance of the IC are improved.

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 liquid crystal touch screen assembly, includes touch screen main part (1), its characterized in that: the touch screen comprises a touch screen main body (1) and a touch screen substrate (4), wherein the touch screen cover plate (3) is positioned above the touch screen substrate (4), a flexible circuit board main body (2) is arranged below the touch screen substrate (4), the flexible circuit board main body (2) comprises a first connecting end (5), a bending area (6) and a second connecting end (7), the top end of the first connecting end (5) is connected with the touch screen substrate (4) through silicone adhesive coating (8), an IC (22) is welded on one side of the first connecting end (5), insulating protective paper (23) is bonded on the surface of the first connecting end (5) and the surface of the IC (22), grid reinforcing plates (9) are arranged above and below the bending area (6), and a connector (10) is arranged at one end, far away from the bending area (6), of the second connecting end (7), the connector is characterized in that a steel sheet reinforcing plate (11) is installed on the outer wall of the connector (10), and copper leakage connection positions (21) are respectively arranged on two sides of the back of the first connecting end (5) and one side of the back of the bending area (6).

2. The liquid crystal touch screen assembly of claim 1, wherein: the touch screen substrate (4) is provided with a first pair of bit lines (12), a second pair of bit lines (13) and a conductive double-sided adhesive tape (14) on the back surface, the first pair of bit lines (12) and the second pair of bit lines (13) are located above the conductive double-sided adhesive tape (14), and the first pair of bit lines (12) are located above the second pair of bit lines (13).

3. The liquid crystal touch screen assembly of claim 1, wherein: the touch screen cover plate (3) comprises an outer frame (15), toughened glass (16) and a polaroid (17), and the toughened glass (16) is located between the outer frame (15) and the polaroid (17).

4. The liquid crystal touch screen assembly of claim 1, wherein: two-dimensional code label paper (20) is bonded on the front surface of the bending area (6).

5. The liquid crystal touch screen assembly of claim 1, wherein: the periphery of the touch screen substrate (4) is fixedly connected with a backlight strip iron frame (18).

6. The liquid crystal touch screen assembly of claim 1, wherein: one side of the bending area (6) is fixedly connected with a positioning sheet (19).

7. The liquid crystal touch screen assembly of claim 1, wherein: the surface of the touch screen cover plate (3) is plated with an AF film layer in a vapor deposition mode.