CN208636811U

CN208636811U - A kind of touch screen of efficient overlap joint ITO

Info

Publication number: CN208636811U
Application number: CN201821318704.3U
Authority: CN
Inventors: 胡亮; 戚敬田
Original assignee: Shenzhen Jingguanyu Touch Technology Co Ltd
Current assignee: Shenzhen Jingguanyu Touch Technology Co Ltd
Priority date: 2018-08-14
Filing date: 2018-08-14
Publication date: 2019-03-22
Anticipated expiration: 2028-08-14

Abstract

The utility model discloses the touch screens of efficiently overlap joint ITO a kind of, including touch panel, positive ITO sensor, panel fixed frame and conductive silver glue, touch panel inner sidewall is fixedly connected with PET panel, the rear wall of PET panel is closely fitted with positive ITO sensor, the rear wall of positive ITO sensor is closely fitted with glass baseplate, the rear wall of glass baseplate is closely fitted with back side ITO sensor, the left side wall of positive ITO sensor is fixedly connected with ITO bond end, the outer wall of touch panel is socketed with panel fixed frame, the back side of panel fixed frame is closely fitted with frame double-sided adhesive, the crevice place that the inner sidewall of panel fixed frame is connect with touch panel is closely fitted with dustproof foam, the inner left wall of panel fixed frame is fixedly connected with conductive silver glue.The utility model facilitates by the inspection vacancy between conductive silver glue and ITO bond end there are 0.5mm-1.0mm and will be apparent that directly determining whether conductive silver glue is overlapped with ITO accurate in silk-screen operation process, to realize the purpose for improving manufacturing yield.

Description

A kind of touch screen of efficient overlap joint ITO

Technical field

The utility model relates to touch screen field, in particular to a kind of touch screen of efficiently overlap joint ITO.

Background technique

Touch screen be it is a kind of be installed in electronic product, by user's finger touch electronic product can be controlled The device of system, when touching to screen, hand changes with the total electricity at screen contact, at this moment, nonshared control unit The coordinate position that touch point will be calculated according to the capacitance variations of scanning front and back, is displayed on the screen, and by touch screen Outer wall pasting protective film realize protective effect to touch screen, but existing touch screen can not understand in silk-screen operation process Intuitively determine whether conductive silver glue is overlapped with ITO accurate, and manufacturing yield is not high.

Authorization Notice No. is that the Chinese patent of CN107153472A discloses a kind of touch screen, including display screen, flexible electrical Road plate and touch control layer, flexible circuit board are coupled with display screen, and flexible circuit board includes substrate and the chip on substrate, touch-control Layer includes that the electrode pattern being located on substrate and electrode cabling, electrode pattern are electrically connected to chip by electrode cabling, due to inciting somebody to action Touch control layer directly designs on flexible circuit board, and flexible circuit board is attached at the back side of display screen by the second glue-line, therefore It is able to solve transmitance caused by Film touch control layer is between cover sheet and display panel in mainstream GFF (GF) technology and visual Property deficiency problem, and make the production technology of touch screen more simple, to reduce cost, improve production efficiency, but should Touch screen can not understand intuitively determine whether conductive silver glue is overlapped with ITO accurate, and manufacturing yield is not in silk-screen operation process It is high.

Utility model content

In view of the deficienciess of the prior art, the purpose of the utility model is to provide the touch screen of efficiently overlap joint ITO a kind of, This kind of ITO efficiently overlapped touch screen, by between conductive silver glue and ITO bond end, there are the inspection of 0.5mm-1.0mm skies Position facilitates and will be apparent that directly determining whether conductive silver glue is overlapped with ITO accurate in silk-screen operation process, to realize raising The purpose of manufacturing yield.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of efficiently overlap joint ITO Touch screen, including touch panel, front ITO sensor, panel fixed frame and conductive silver glue, the touch panel inner sidewall is solid Surely it is connected with PET panel, the rear wall of the PET panel is closely fitted with positive ITO sensor, the front ITO sensor Rear wall is closely fitted with glass baseplate, and the rear wall of the glass baseplate is closely fitted with back side ITO sensor, the front ITO The left side wall of sensor is fixedly connected with ITO bond end, and the outer wall of the touch panel is fixedly connected with panel fixed frame, described The back side of panel fixed frame is closely fitted with frame double-sided adhesive, and the inner sidewall of the panel fixed frame is connect with the touch panel Crevice place be closely fitted with dustproof foam, the inner left wall of the panel fixed frame is fixedly connected with conductive silver glue, the touching The surrounding for touching panel is fixedly connected with ITO cabling, is provided between the conductive silver glue and the ITO bond end and checks vacancy.

Further, the antetheca lower left corner of the panel fixed frame is aligned through cabling register guide, the cabling is connected with Mark is in " cross " type, and the left side wall of the touch panel is fixedly connected with flexible circuit board, and the flexible circuit board is in " strip " Shape, and the flexible circuit board can be bent.

Further, the antetheca of the PET panel is closely fitted with PET protection film, the lateral wall of the PET protection film with The panel fixed frame is flexibly connected, and the size of the PET protection film is equal to the size of the PET panel.

Further, the rear wall of the back side ITO sensor is closely fitted with touch screen double-sided adhesive, and the touch screen is two-sided The size of glue is equal to the size of the foam rubber, and the touch screen double-sided adhesive is conllinear with the axle center of the foam rubber, the touching The rear wall for touching screen double-sided adhesive is closely fitted with foam rubber, and the touch screen double-sided adhesive and the foam rubber are movably connected in described The inner sidewall of panel fixed frame.

Further, the antetheca upper left corner of the panel fixed frame is fixedly connected with silk-screen mirror-like silver, and the panel is fixed The lower front wall of frame is fixedly connected there are three Touch control key, and the silk-screen mirror-like silver and three Touch control keys are in same plane On.

Further, the crevice place that the panel fixed frame is fixedly connected with the touch panel is fixedly connected with one-side band Calymma cotton, the one-side band calymma cotton are in " rectangle " frame-shaped, and the inner sidewall of the one-side band calymma cotton and the touch panel Outer wall fit closely, the lateral wall of the one-side band calymma cotton and the inner wall of the panel fixed frame fit closely.

Further, the left side outer wall of the flexible circuit board is fixedly connected with the connecting pin FPC, the flexible circuit board Left side upper and lower end faces are fixedly connected to the connecting pin FPC, and the length dimension of the connecting pin FPC is equal to the flexibility The width dimensions of circuit board.

Further, the outer wall of the flexible circuit board is closely fitted with two-sided screened film, a left side for the two-sided screened film Side wall is fitted closely with the connecting pin FPC, and the left side wall of the panel fixed frame, which runs through, is connected with the two-sided screened film.

In conclusion the utility model has the following beneficial effects:

The touch screen of this kind of efficient overlap joint ITO, the rear wall for the PET panel installed in touch screen are closely fitted with front ITO sensor, the rear wall of positive ITO sensor are closely fitted with glass baseplate, and the rear wall of glass baseplate is closely fitted with the back side ITO sensor has overlapped conductive silver glue in the outer wall of positive ITO sensor and back side ITO sensor, ITO bond end with After ITO cabling is fixedly connected, ITO bond end is powered, but when equipment is shaken, ITO bond end is easy to fall off with ITO cabling And entire ITO is caused to be unable to operate normally, ITO bond end is realized by electric conductivity and the stationarity of conductive silver glue and is walked with ITO Line is bonded, and entire ITO is powered steadily in the long term, is avoided ITO bond end and is taken in no conductive silver glue The problem of in the case where connecing with ITO cabling poor contact, it is ensured that the normal work of ITO, by being overlapped in conductive silver glue and ITO There are the inspection vacancy of 0.5mm-1.0mm between end can be taken when carrying out silk-screen operation by conductive silver glue and ITO bond end The overlap joint junction of conductive silver glue Yu ITO bond end is observed in the vacancy connect, and realizing in silk-screen operation process will be apparent that directly Ground determines whether conductive silver glue is overlapped with ITO bond end accurate, it is ensured that the accurate overlap joint of conductive silver glue and ITO avoids ITO conductive Bad problem, reduces the failure rate of finished product, to improve the purpose of manufacturing yield.

Detailed description of the invention

Fig. 1 is the Facad structure figure of the utility model；

Fig. 2 is overall structure figure inside the touch panel of the utility model；

Fig. 3 is the panel fixed frame sectional structure chart of the utility model；

Fig. 4 is the ITO overall structure figure of the utility model；

Fig. 5 is the amplification assumption diagram of Fig. 4 A of the utility model.

In figure: 1, touch panel；101, PET protection film；102, PET panel；103, front ITO sensor；1031,ITO Bond end；104, glass baseplate；105, back side ITO sensor；106, touch screen double-sided adhesive；107, foam rubber；2, panel is fixed Frame；201, silk-screen mirror-like silver；202, Touch control key；203, one-side band calymma cotton；204, dustproof foam；205, frame double-sided adhesive； 206, conductive silver glue；207, cabling register guide；208, ITO cabling；209, vacancy is checked；3, flexible circuit board；301, FPC connection End；302, two-sided screened film.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of touch screen of efficiently overlap joint ITO, including touching Panel 1, front ITO sensor 103, panel fixed frame 2 and conductive silver glue 206,1 inner sidewall of touch panel is touched to be fixedly connected with PET panel 102, PET panel 102 play the protective effect to touch panel 1, avoid touch panel 1 and are scratched, the face PET The rear wall of plate 102 is closely fitted with positive ITO sensor 103, and the rear wall of positive ITO sensor 103 is closely fitted with glass base Material 104, the rear wall of glass baseplate 104 are closely fitted with back side ITO sensor 105, and the left side wall of positive ITO sensor 103 is solid Surely it is connected with ITO bond end 1031, the outer wall of touch panel 1 is fixedly connected with panel fixed frame 2, the back side of panel fixed frame 2 It is closely fitted with frame double-sided adhesive 205, is fixedly connected with panel fixed frame 2 with touch panel 1 by frame double-sided adhesive 205, face The crevice place that the inner sidewall of plate fixed frame 2 is connect with touch panel 1 is closely fitted with dustproof foam 204, a left side for panel fixed frame 2 Side inner wall is fixedly connected with conductive silver glue 206, and the surrounding of touch panel 1 is fixedly connected with ITO cabling 208, senses in positive ITO The outer wall of device 103 and back side ITO sensor 105 has overlapped conductive silver glue, between conductive silver glue 206 and ITO bond end 1031 It is provided with and checks vacancy 209, after ITO bond end 1031 is fixedly connected with ITO cabling 208, ITO bond end 1031 is powered, But when equipment is shaken, ITO bond end 1031 and ITO cabling 208 is easy to fall off and entire ITO is caused to be unable to operate normally, Being bonded for ITO bond end 1031 and ITO cabling 208 is realized by the electric conductivity and stationarity of conductive silver glue 206, and is made Obtaining entire ITO can be powered steadily in the long term, avoid ITO bond end 1031 when overlapped for no conductive silver glue 206 The problem of with ITO 208 poor contact of cabling, it is ensured that the normal work of ITO, by conductive silver glue 206 and ITO bond end There are the inspection vacancy 209 of 0.5mm-1.0mm between 1031 can pass through conductive silver glue 206 and ITO when carrying out silk-screen operation The overlap joint junction of overlapped vacancy the observes conductive silver glue 206 Yu ITO bond end 1031 of bond end 1031, realizes silk-screen work Will be apparent that directly determining whether the overlap joint of conductive silver glue 206 and ITO bond end 1031 is accurate during industry.

Further, the antetheca lower left corner of panel fixed frame 2, which is run through, is connected with cabling register guide 207, cabling register guide 207 The fixation to ITO cabling 208 is realized, places bindings bit deviation, and increase the visibility of 208 registering of front and back sides ITO cabling, Cabling register guide 207 is in " cross " type, and the left side wall of touch panel 1 is fixedly connected with flexible circuit board 3, and flexible circuit board 3 is Touch screen circuitry installs component concentratedly, and flexible circuit board 3 is in " strip " shape, and flexible circuit board 3 can be bent, and be saved The installation space of flexible circuit board 3 is saved.

Further, the antetheca of PET panel 102 is closely fitted with PET protection film 101, and PET protection film 101 plays pair The lateral wall of the protective effect of PET panel, PET protection film 101 is flexibly connected with panel fixed frame 2, when PET protection film 101 is scraped Hua Shi is conveniently replaceable, and the size of PET protection film 101 is equal to the size of PET panel 102, so that PET protection film 101 is by the face PET The all coverings of plate 102, improve PET protection film 101 to the protectiveness of PET panel 102.

Further, the rear wall of back side ITO sensor 105 is closely fitted with touch screen double-sided adhesive 106, touch screen double-sided adhesive 106 size is equal to the size of foam rubber 107, and touch screen double-sided adhesive 106 is conllinear with the axle center of foam rubber 107, passes through touch Screen double-sided adhesive 106 bonds back side ITO sensor 105 with foam rubber 107, and touch panel 1 is fixed on required peace to realize In the equipment for filling touch screen, the rear wall of touch screen double-sided adhesive 106 is closely fitted with foam rubber 107, touch screen double-sided adhesive 106 and bubble Celloidin 107 is movably connected in the inner sidewall of panel fixed frame 2, convenient for touch screen double-sided adhesive 106 and foam rubber 107 installation with Disassembly.

Further, the antetheca upper left corner of panel fixed frame 2 is fixedly connected with silk-screen mirror-like silver 201, silk-screen mirror-like silver 201 For touch screen inside franking or the main material of word, the lower front wall of panel fixed frame 2 is fixedly connected with that there are three Touch control keys 202, silk-screen mirror-like silver 201 and three Touch control keys 202 are in the same plane, the function of three Touch control keys 202 from left to right point Not Wei Menu key, HONME key and return key, the control to equipment is realized by three Touch control keys 202 of touching.

Further, the crevice place that panel fixed frame 2 is fixedly connected with touch panel 1 is fixedly connected with one-side band calymma cotton 203, one-side band calymma cotton 203 is in " rectangle " frame-shaped, and the outer wall of the inner sidewall and touch panel 1 of one-side band calymma cotton 203 is tight The inner wall of closely connected conjunction, the lateral wall and panel fixed frame 2 of one-side band calymma cotton 203 fits closely, one-side band calymma cotton 203 it is interior Wall has viscous stickiness, but the outer wall of one-side band calymma cotton 203 does not have viscous stickiness, so that the outer wall of touch panel 1 be wrapped up Come, realizes the protective effect to touch panel 1.

Further, the left side outer wall of flexible circuit board 3 is fixedly connected with the connecting pin FPC 301, and the connecting pin FPC 301 is played The effect that equipment and touch screen are connected, the left side upper and lower end faces of flexible circuit board 3 are fixedly connected to FPC connection End 301, so that the positive and negative insertion in the connecting pin FPC 301 can be flexible electrical without just on the contrary point when the connecting pin FPC 301 is inserted into equipment Road plate 3 provides electric energy, realizes the convenient connection of the connecting pin FPC 301 and required installation touch panel device.

Further, the outer wall of flexible circuit board 3 is closely fitted with two-sided screened film 302, and two-sided screened film 302 plays The effect for insulating and shielding electromagnetic interference, avoid touch screen work when equipment in electromagnetic radiation and electric current to flexible electrical Circuit in road plate 3 is interfered, to influence the normal use of touch screen, realizes the protective effect to flexible circuit board 3, The left side wall of two-sided screened film 302 is fitted closely with the connecting pin FPC 301, and the left side wall of panel fixed frame 2 is two-sided through being connected with Screened film 302 avoids two-sided screened film 302 and falls off, improves the installation stability of two-sided screened film 302, extend two-sided The service life of screened film 302.

Working principle: firstly, positive ITO sensor 103 and back side ITO sensor 105 are fitted tightly over glass respectively Then two lateral wall of front and back of substrate 104 by ITO cabling 208 and is located at front ITO sensor 103 and back side ITO sensor The ITO bond end 1031 in 105 upper left corners is fixedly connected, and then, is fixedly connected with it with ITO cabling 208 in ITO bond end 1031 Afterwards, ITO bond end 1031 is powered, but when equipment is shaken, ITO bond end 1031 and ITO cabling 208 is easy to fall off and causes Entire ITO is unable to operate normally, and conductive silver glue is uniformly applied to the junction of ITO cabling 208 Yu ITO bond end 1031, is led to The electric conductivity and stationarity for crossing conductive silver glue 206 realize being bonded for ITO bond end 1031 and ITO cabling 208, and make Entire ITO can be powered steadily in the long term, followed by there are 0.5mm- between conductive silver glue 206 and ITO bond end 1031 The inspection vacancy 209 of 1.0mm passes through conductive silver glue 206 and ITO bond end 1031 overlapped vacancy when carrying out silk-screen operation Observe the overlap joint junction of conductive silver glue 206 Yu ITO bond end 1031, it is ensured that conductive silver glue 206 and entire ITO's precisely takes It connects.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of touch screen of efficiently overlap joint ITO, including touch panel (1), front ITO sensor (103), panel fixed frame (2) and conductive silver glue (206), it is characterised in that: touch panel (1) inner sidewall is fixedly connected with PET panel (102), institute The rear wall for stating PET panel (102) is closely fitted with positive ITO sensor (103), the rear wall of the front ITO sensor (103) It being closely fitted with glass baseplate (104), the rear wall of the glass baseplate (104) is closely fitted with back side ITO sensor (105), The left side wall of the front ITO sensor (103) is fixedly connected with ITO bond end (1031), the outer wall of the touch panel (1) It is fixedly connected with panel fixed frame (2), the back side of the panel fixed frame (2) is closely fitted with frame double-sided adhesive (205), described The crevice place that the inner sidewall of panel fixed frame (2) is connect with the touch panel (1) is closely fitted with dustproof foam (204), institute The inner left wall for stating panel fixed frame (2) is fixedly connected with conductive silver glue (206), and the surrounding of the touch panel (1) is fixed to be connected It is connected to ITO cabling (208), is provided between the conductive silver glue (206) and the ITO bond end (1031) and checks vacancy (209)。

2. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: the panel fixed frame (2) The antetheca lower left corner through being connected with cabling register guide (207), the cabling register guide (207) is in " cross " type, the touch The left side wall of panel (1) is fixedly connected with flexible circuit board (3), and the flexible circuit board (3) is in " strip " shape, and the flexibility Circuit board (3) can be bent.

3. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: the PET panel (102) Antetheca be closely fitted with PET protection film (101), the lateral wall of the PET protection film (101) and the panel fixed frame (2) It is flexibly connected, the size of the PET protection film (101) is equal to the size of the PET panel (102).

4. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: the back side ITO sensor (105) rear wall is closely fitted with touch screen double-sided adhesive (106), and the size of the touch screen double-sided adhesive (106) is equal to foam rubber (107) size, and the touch screen double-sided adhesive (106) is conllinear with the axle center of the foam rubber (107), the touch screen is two-sided The rear wall of glue (106) is closely fitted with foam rubber (107), and the touch screen double-sided adhesive (106) and the foam rubber (107) are living The dynamic inner sidewall for being connected to the panel fixed frame (2).

5. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: the panel fixed frame (2) The antetheca upper left corner be fixedly connected with silk-screen mirror-like silver (201), the lower front wall of the panel fixed frame (2) is fixedly connected with three A Touch control key (202), the silk-screen mirror-like silver (201) and three Touch control keys (202) are in the same plane.

6. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: the panel fixed frame (2) The crevice place being fixedly connected with the touch panel (1) is fixedly connected with one-side band calymma cotton (203), the one-side band calymma cotton It (203) is in " rectangle " frame-shaped, and the outer wall of the inner sidewall and the touch panel (1) of the one-side band calymma cotton (203) is close Fitting, the lateral wall of the one-side band calymma cotton (203) and the inner wall of the panel fixed frame (2) fit closely.

7. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: a left side for flexible circuit board (3) Side outer wall is fixedly connected with the connecting pin FPC (301), and the left side upper and lower end faces of the flexible circuit board (3) are fixedly connected to The connecting pin FPC (301), and the length dimension of the connecting pin FPC (301) is equal to the width of the flexible circuit board (3) Size.

8. the touch screen of efficiently overlap joint ITO according to claim 1 a kind of, it is characterised in that: outside flexible circuit board (3) Wall is closely fitted with two-sided screened film (302), and the left side wall of the two-sided screened film (302) and the connecting pin FPC (301) are closely pasted It closes, the left side wall of the panel fixed frame (2), which runs through, is connected with the two-sided screened film (302).